OpenTechnical

OT-2026-000072884

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000072884) never changes.

Identity and time

Publication numberOT-2026-000072884 · never reused
Internal UUID01a0ae92-89db-7135-9c45-e005ef7c7d0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072884
StatusPUBLIC

Content hashes

Canonical text7651b4ef4861edaa5ea7d68d59537f4dc8e87252ef0d2e3754843aaf9a113e3a
Markdown42ec158c8cb81d06928cc1728a260e80a24eab0c75356267e15ae5a2ffa3137b
PDF
Publication page0928d24f8cf5d2709a59e402ab4d421cb3d57b36b4bfe49a620b93b1f3ed96ee
Manifest31c8b6ee74bbd7938b5db236d1b7d87ccfdf6e4f25563bd9514e3e35074e9259

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
Signature8CsmH37ijU5C4lBsTu48jqUFQ0qJp3tO9kmsGOe0f2TEJLqqvmHIVuQCDBfNB+rQZl9F/AF62uQLdV16XcghCw==
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

2026-09-17T10:22:48.775689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072884
observed 0928d24f8cf5d2709a59e402ab4d421c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.757494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072884/manifest.json
observed 31c8b6ee74bbd7938b5db236d1b7d87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.740790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072884/publication.md
observed 42ec158c8cb81d06928cc1728a260e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.724709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072884/publication.txt
observed 7651b4ef4861edaa5ea7d68d59537f4d...
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.