OpenTechnical

OT-2026-000103595

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103595) never changes.

Identity and time

Publication numberOT-2026-000103595 · never reused
Internal UUID01a0aea4-e461-70a5-b866-139081317471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103595
StatusPUBLIC

Content hashes

Canonical text3182a5ff31764219de4bbd0ca402cdbc0d1a14c6a2df4deaad6af4a5db9ce538
Markdown6a3050563d31071ed59a7619024754bf9bcf01622f912d6f1154fbc6cbf51252
PDF
Publication page1dc7e7ab8c5824b696bcae61bd570502c091c9bbe543bccc09f4f89894305712
Manifest9c668ff5b320f354ab7789748dc5d9a10a6c0abf5151129d62efdb1a5a1a76b2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturek9zr/5uyHEu/5Th7M6F7Yc0yis5tXqFNjQddiXE2y/gkRGMmg/4uRrmQ3tJG/lVvDf5ro8WiT2EIa1HQCnsKAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:23.020760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103595
observed 1dc7e7ab8c5824b696bcae61bd570502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.003833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103595/manifest.json
observed 9c668ff5b320f354ab7789748dc5d9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.987051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103595/publication.md
observed 6a3050563d31071ed59a7619024754bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.970867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103595/publication.txt
observed 3182a5ff31764219de4bbd0ca402cdbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.