OpenTechnical

OT-2026-000076577

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076577) never changes.

Identity and time

Publication numberOT-2026-000076577 · never reused
Internal UUID01a0ae94-b06e-74da-86d4-34d65108021b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076577
StatusPUBLIC

Content hashes

Canonical text064a988b3d5a83f3c03fa6eecc87dcc96692f53e6e9ce18a370962fbe5c69f3b
Markdownd280eb8e216700f34c1d70f15c7eadcddf7d11774e0666d32a11569fc5c0de33
PDF
Publication pagec69bf71e2b2857a2bfd3f3e9d47a70309ab47bb3245464020154b5e87ec79fc4
Manifest2c2375f6470ebadade2b7c2fd31f18153ef3d640db98ba5d7ff962d6f9df9d6f

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
SignatureGAO+EfXrZBLLV5fD12uKfR81lIjaZU+6aBC9T16LUIxkQzaTHjZrlTky11FV1m6ukf1CSN6f0xNEHyqyZU50CQ==
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

2026-09-17T10:09:17.899700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076577
observed c69bf71e2b2857a2bfd3f3e9d47a7030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.880020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076577/manifest.json
observed 2c2375f6470ebadade2b7c2fd31f1815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.861731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076577/publication.md
observed d280eb8e216700f34c1d70f15c7eadcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.842899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076577/publication.txt
observed 064a988b3d5a83f3c03fa6eecc87dcc9...
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.