OpenTechnical

OT-2026-000089829

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089829) never changes.

Identity and time

Publication numberOT-2026-000089829 · never reused
Internal UUID01a0ae9c-428d-71a5-8d74-20114e88a243 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089829
StatusPUBLIC

Content hashes

Canonical text8afc6e4e0c992fcbaa3d22d55852c320b263f3d5d076bbe917a304320b4ea047
Markdown995face5f953068c19c2debddd099dd05d793048158611d1ecbc77f81c42260c
PDF
Publication pageadcb849b7e3cc7ab7b39e842287b5c0687b8a10a70b5399b43b7b27f679349ab
Manifest70da5ab46bad34c1e6799b1bf32a3bf1885ccf770c010f97c766bda08742735a

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
SignatureY6dUnE3RTpmvNNpRAWYhipwzl6q8KK25FB5DFg5+ag2lthf/xy800aEbEwF1+ehwsrW55WfILlhnBqD3HA8CAg==
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

2026-09-17T09:45:04.111586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089829
observed adcb849b7e3cc7ab7b39e842287b5c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.093470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089829/manifest.json
observed 70da5ab46bad34c1e6799b1bf32a3bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.076122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089829/publication.md
observed 995face5f953068c19c2debddd099dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.057666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089829/publication.txt
observed 8afc6e4e0c992fcbaa3d22d55852c320...
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.