OpenTechnical

OT-2026-000076644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076644) never changes.

Identity and time

Publication numberOT-2026-000076644 · never reused
Internal UUID01a0ae94-b06e-7c41-9a67-ee9e1bd7563a · 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-2026-000076644
StatusPUBLIC

Content hashes

Canonical text52c97b4e17f97a5020ab1e0b6bdfa1138fd4bafa090eed33fc30009c92849035
Markdownfc65993d8eede0f39025bedecd9820bd11382020626c0d1d87f41181e0054538
PDF
Publication page02c08916efe779fa4d630f59083555b8a1080a8e70b9981cdb98b2f38872596a
Manifest1a925c24f613ae8895ba8eb63dbcc47ef98967ec769d5f7f9d572a69f1905e95

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
SignatureciZpbsBPxfmkM3q7p4afMADWyifoHI+ASIA7jN8LFX9YieKDOFde179uWkgMTqqJFncUpyEJN4A3Ip6blJHHCA==
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

2026-09-17T10:09:22.976420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076644
observed 02c08916efe779fa4d630f59083555b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.954812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076644/manifest.json
observed 1a925c24f613ae8895ba8eb63dbcc47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.935602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076644/publication.md
observed fc65993d8eede0f39025bedecd9820bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.881330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076644/publication.txt
observed 52c97b4e17f97a5020ab1e0b6bdfa113...
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.