免费时间戳服务器

服务器列表

有的时候需要使用时间戳服务，下面列出常用的几个免费时间戳服务器，可用于PDF时间戳签名。

Digicert:
http://timestamp.digicert.com
Credible: Yes . [Adobe Approved Trust List] and [Windows Cert Store].
Hash: up to SHA512

GlobalSign:
http://aatl-timestamp.globalsign.com/tsa/aohfewat2389535fnasgnlg5m23
Credible: Yes . [Adobe Approved Trust List] and [Windows Cert Store].
Hash: up to SHA512

Sectigo:
https://timestamp.sectigo.com
Credible: Yes . [Adobe Approved Trust List] and [Windows Cert Store].
Hash: up to SHA512
Note: wait 15 seconds between each request.

Entrust:
http://timestamp.entrust.net/TSS/RFC3161sha2TS
Credible: Yes . [Adobe Approved Trust List] and [Windows Cert Store].
Hash: up to SHA512

SwissSign:
http://tsa.swisssign.net
Credible: Yes . [Adobe Approved Trust List] and [Windows Cert Store].
Hash: up to SHA512
Note: only 10 requests per day. For bigger quantities contact the company.

IDnomic:
http://kstamp.keynectis.com/KSign/
Credible: Yes . [Adobe: European Union Trusted Lists] and [Windows Cert Store].
Hash: up to SHA512

QuoVadis + Digicert:
http://tsa.quovadisglobal.com/TSS/HttpTspServer
Credible: Yes . [Adobe Approved Trust List] and [Windows Cert Store].
Hash: up to SHA512

IRN:
http://ts.cartaodecidadao.pt/tsa/server
Credible: Yes . [Adobe: European Union Trusted Lists] and [Windows Cert Store].
Hash: only SHA256
Note: only allows 20 requests in 20 minutes, if more requests are done the IP address will be blocked and legal consequences may happen.

ACCV:
http://tss.accv.es:8318/tsa
Credible: Yes . [Adobe: European Union Trusted Lists] and [Windows Cert Store].
Hash: up to SHA512

BalTstamp:
http://tsa.baltstamp.lt
Credible: Yes . [Adobe: European Union Trusted Lists] and [Windows Cert Store].
Hash: up to SHA512
Note: Limitation applies to non-registered users: no more than 100 requests within one month; the beginning and the end of the month are defined in UTC time.

IZENPE:
http://tsa.izenpe.com
Credible: Yes . [Adobe: European Union Trusted Lists].
Hash: up to SHA512

CERTUM:
http://time.certum.pl
Credible: Yes . [Windows Cert Store]
Hash: up to SHA512

DFN:
http://zeitstempel.dfn.de
Credible: Yes . [Windows Cert Store]
Hash: up to SHA512
Note: commercial use forbidden.

CatCert:
http://psis.catcert.cat/psis/catcert/tsp
Credible: Yes . [Windows Cert Store]
Hash: up to SHA512

Symantec:
http://sha256timestamp.ws.symantec.com/sha256/timestamp
Credible: Yes . [Windows Cert Store]
Hash: up to SHA512

GlobaSign:
http://rfc3161timestamp.globalsign.com/advanced
http://timestamp.globalsign.com/tsa/r6advanced1
Credible: Yes . [Windows Cert Store]
Hash: up to SHA512

Apple:
http://timestamp.apple.com/ts01
Credible: Yes. [Apple CA]
Hash: up to SHA512

FreeTSA:
https://freetsa.org/tsr
Credible: No.
Hash: up to SHA512

SafeStamper:
https://www.safestamper.com/tsa
Credible: No.
Hash: up to SHA512
Note: up to 5 requests per day. For bigger quantities contact the company.

MeSign:
http://tsa.mesign.com
Credible: No.
Hash: up to SHA512

WoTrust:
https://tsa.wotrus.com
Credible: No.
Hash: only SHA256
Note: wait 15 seconds between each request.

Lex-Persona:
http://tsa.lex-persona.com/tsa
Credible: No.
Hash: up to SHA512