OpenTechnical

OT-2026-000092941

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line 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-2026-000092941) never changes.

Identity and time

Publication numberOT-2026-000092941 · never reused
Internal UUID01a0ae9e-090f-7727-b181-f07dbcb715bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092941
StatusPUBLIC

Content hashes

Canonical text21aa49184f4b11560c63cf2a0ef975bc72f8d0b194aa944d6dceecdc2535c5a3
Markdowna28e17767903a136b0ec8d1770a272222207a4a2f6a258fd13c09ea003931cba
PDF
Publication page9fd816b72c136598807164ef37d75cc609cf4b7af0feddcb0a64f1c4ce5d3a24
Manifestb78308a3a8f407940f38fee655ef42f99c249cbb7a93008f58114fc9b6e447df

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
SignatureYV9TjEYZwt/r6SAoMeiem7CvjZeyttA8NaqJ6ZXdY+no935gs5a8kPl9paTyjRz8aJFQBnKJo8370lCLmWsRAw==
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

2026-09-17T09:40:03.616409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092941
observed 9fd816b72c136598807164ef37d75cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.598247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092941/manifest.json
observed b78308a3a8f407940f38fee655ef42f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.577802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092941/publication.md
observed a28e17767903a136b0ec8d1770a27222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.559648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092941/publication.txt
observed 21aa49184f4b11560c63cf2a0ef975bc...
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.