OpenTechnical

OT-2026-000096497

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000096497) never changes.

Identity and time

Publication numberOT-2026-000096497 · never reused
Internal UUID01a0aea0-a4a9-7f9c-99c6-1cafe53a383f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096497
StatusPUBLIC

Content hashes

Canonical text7baa7c349d035580e12f7f6706096ba995d31fc4cef2347d8a1aea10569c797b
Markdownef809bd0e5ab646ba5de4ea094ca407c3bb6e44d94998d4e41c54530efbc21ce
PDF
Publication pageb8ef2b855ba5ebaf524d986c7dc7d16619dbcae2f4871639b8c65817830e8893
Manifest4d4fe7f970f94916723041c6b4acaf6f1ef7a392e3041db45605be3497c87ae1

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
SignatureOnIWel8oYLsjrcyTkV3ZqZglYF5DFu5N21R0WqNhyPzD9a7ZIACboqvhxvsDd563Ls2na85xtVHO5L/r0DOYBg==
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

2026-09-17T09:33:54.241880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096497
observed b8ef2b855ba5ebaf524d986c7dc7d166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:54.221859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096497/manifest.json
observed 4d4fe7f970f94916723041c6b4acaf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:54.202937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096497/publication.md
observed ef809bd0e5ab646ba5de4ea094ca407c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:54.182934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096497/publication.txt
observed 7baa7c349d035580e12f7f6706096ba9...
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.