OpenTechnical

OT-2026-000073272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000073272) never changes.

Identity and time

Publication numberOT-2026-000073272 · never reused
Internal UUID01a0ae92-efb7-73d6-b9f1-76c1b30a7ddc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073272
StatusPUBLIC

Content hashes

Canonical textb8671871a539bc75315eb69b132247db711edfb6ccfbb1dae50c11b5e250c006
Markdown7df4acb207e06b64123a92ec98871ead6321e92802d0b9679e5fda066002f8c1
PDF
Publication pageab064204eb2a03424e7284e6a720771a58690b5754f3c87fd072ed24292e8126
Manifestf04821a6550ec4718ce3cced71af18e148d58067368a9988dc31a96d0c5a6041

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
SignaturedCkz7UsCwRzG81PG5/pTTjCU31iI3s6ll8rpUDVy5grlEhTBICbipfZ6W3cZ/N9j4Eg/0rZyDxfvZWQ2CFbXAw==
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

2026-09-17T10:21:16.456074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073272
observed ab064204eb2a03424e7284e6a720771a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.435052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073272/manifest.json
observed f04821a6550ec4718ce3cced71af18e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.415420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073272/publication.md
observed 7df4acb207e06b64123a92ec98871ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.396536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073272/publication.txt
observed b8671871a539bc75315eb69b132247db...
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.