OpenTechnical

OT-2026-000070771

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000070771) never changes.

Identity and time

Publication numberOT-2026-000070771 · never reused
Internal UUID01a0ae91-8c2c-76d0-a206-3c4c83f03476 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070771
StatusPUBLIC

Content hashes

Canonical text9121114132057eefbebfd75f482a6fefcbd8f49b49ba107b37ded2906c56e5c3
Markdown4a3ef6c96ef6e3ecb8190616a223ef6914a3756b205c295e36c7019383b433d3
PDF
Publication pagef10cd450cadabd017d05fe56d902a46d0bc9ae4c81c6536bf0fbfb7d8b5ebabe
Manifesta2f49dfc722ae473af3438fa4ace1aa3b49602c12bb1f38a62939ac35a386b72

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
SignatureN4Ok2ZZWE+bOyOef5tHSf5d8RiQDz1cfHPhBZ48xqVVQ1IY3B4VV4VU0jj5xdFXl1yfpBbzqDDx+hjpjmT+3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:28.264184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070771
observed f10cd450cadabd017d05fe56d902a46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.248165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070771/manifest.json
observed a2f49dfc722ae473af3438fa4ace1aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.231130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070771/publication.md
observed 4a3ef6c96ef6e3ecb8190616a223ef69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:28.214439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070771/publication.txt
observed 9121114132057eefbebfd75f482a6fef...
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.