OpenTechnical

OT-2026-000063965

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line 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-2026-000063965) never changes.

Identity and time

Publication numberOT-2026-000063965 · never reused
Internal UUID01a0ae8d-53bc-7913-b998-02acf1afb4a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063965
StatusPUBLIC

Content hashes

Canonical text16df60350826b29dc00f7ecee6023d7039e82aef83f14b374f11901355e4fd81
Markdownf7e462ffdce93af6e9053528b184eab443eaea95b17457af9cdd7dabc17d4e8d
PDF
Publication page6a014007fd2b405b4ebe390f521852072da7656e5e82823f4fbfbd4e9864f224
Manifestdc4a672dfc6e182030c84c5909630f85268dbce338bc5593f46c191705a943a6

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
Signature00jouRpCrTqGwVNW25BZjOHAocrTpaV+XRYHMVh0iRIiu4nCC/J+7yns5gf94/Jwt4Ong3vk6FRahsGCAaRJBA==
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

2026-09-17T10:37:01.789978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063965
observed 6a014007fd2b405b4ebe390f52185207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.771783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063965/manifest.json
observed dc4a672dfc6e182030c84c5909630f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.754551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063965/publication.md
observed f7e462ffdce93af6e9053528b184eab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.734936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063965/publication.txt
observed 16df60350826b29dc00f7ecee6023d70...
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.