OpenTechnical

OT-2026-000070834

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000070834) never changes.

Identity and time

Publication numberOT-2026-000070834 · never reused
Internal UUID01a0ae91-8c2d-755b-9e74-25aad3dd70eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070834
StatusPUBLIC

Content hashes

Canonical text1239e4d7cd1b29d88d867762447b87c62396d5aef66790f25e0dfdff768ddc31
Markdown7f1b8d261047c581c69741dfefe1762e5b84a32d113898f4f7d00c083f3a01c5
PDF
Publication pagedb4f028fae38fffcdb8307fe537d8d8a9294f916d93a16ebb5cf69a8b59bc0e4
Manifest82b47f857ba17a22005ba58103a512e8b1fb235ecdc2d16e96b7d820fb1e4aa3

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
Signature57oFJRGkmoq9RYxJxRr6+reiYC1GyprO435kWIZYwzc02/UKulbW9UOg7481hVk6+xGdHw5sDd3PWOSGjYuuCA==
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

2026-09-17T10:25:39.025841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070834
observed db4f028fae38fffcdb8307fe537d8d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.006511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070834/manifest.json
observed 82b47f857ba17a22005ba58103a512e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.987959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070834/publication.md
observed 7f1b8d261047c581c69741dfefe1762e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.970695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070834/publication.txt
observed 1239e4d7cd1b29d88d867762447b87c6...
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.