OpenTechnical

OT-2026-000080538

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000080538) never changes.

Identity and time

Publication numberOT-2026-000080538 · never reused
Internal UUID01a0ae96-7e79-78ee-bef6-4d67c967217b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080538
StatusPUBLIC

Content hashes

Canonical text26ea74ff39014c11976829dc91c7386de3c0cec526ec7afd0b0b103a4351743b
Markdownf528d9bc5de6181db3a7bef1d01dbdabf041e929849c515af627ac91102fea27
PDF
Publication paged8272c47a5c8a034945c8b1d3773e1852394e8239a60c168670915b489b66d71
Manifestb6ae7c44fa5581b8223ee534002a3ee2d9840d80813484336fb2e91b351511a7

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
SignaturedniEJ8/llwxBfkKVfjBngKZAjCoLncb8C3IKKX/Cs7NN2gllElrfsn4EaKcjSpDGkKulUVo4+v58VHhq7e6dAg==
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

2026-09-17T10:03:03.791123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080538
observed d8272c47a5c8a034945c8b1d3773e185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.768625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080538/manifest.json
observed b6ae7c44fa5581b8223ee534002a3ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.752237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080538/publication.md
observed f528d9bc5de6181db3a7bef1d01dbdab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.734201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080538/publication.txt
observed 26ea74ff39014c11976829dc91c7386d...
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.