OpenTechnical

OT-2026-000034451

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000034451) never changes.

Identity and time

Publication numberOT-2026-000034451 · never reused
Internal UUID01a0ae76-12eb-7760-9dca-8f66c73a633f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034451
StatusPUBLIC

Content hashes

Canonical text7aca259f5796025bd6d49ffda839d0820064877b211b798a93936f73e06a0871
Markdowncbf5e7e52f69b8a363e1db948b0eed0c15544690b4525b6fa3d0230f5c98c4c3
PDF
Publication page87c8cb4ab8c3d96ca53f51a7c4e1c59d2af7383a2d4f4647c8e5845fc67aa07e
Manifest017bb46120a4c1144dd7ef3aaead2673222bb01872225145de24cafd28358cb0

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
SignatureIYvVVmYnqGHxFI8r2obFqplTT72RtOeWjDHLzkIHi7yV3Xi3NUQcaGM66Tidrh2X/I16iVPHtS3s6zgZ4Mi1DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:46.711523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451
observed 87c8cb4ab8c3d96ca53f51a7c4e1c59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.695245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451/manifest.json
observed 017bb46120a4c1144dd7ef3aaead2673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.679292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451/publication.md
observed cbf5e7e52f69b8a363e1db948b0eed0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.661652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451/publication.txt
observed 7aca259f5796025bd6d49ffda839d082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.538435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451
observed 87c8cb4ab8c3d96ca53f51a7c4e1c59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.513124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451/manifest.json
observed 017bb46120a4c1144dd7ef3aaead2673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.493289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451/publication.md
observed cbf5e7e52f69b8a363e1db948b0eed0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.473739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034451/publication.txt
observed 7aca259f5796025bd6d49ffda839d082...
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.