OpenTechnical

OT-2026-000073173

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000073173) never changes.

Identity and time

Publication numberOT-2026-000073173 · never reused
Internal UUID01a0ae92-efb6-7812-bbf0-87c9da473665 · 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-2026-000073173
StatusPUBLIC

Content hashes

Canonical text75d739f94cb5d3749873a9ce6bd93df8c29f3eb5890b5dff82060102fa33ea7f
Markdownb20a6091744ad062de06aeb7dfb709680e6aa84f7a04b82e00474b75fa7f47ad
PDF
Publication page1c8685892e8d28e8c1ef92993cbc4110ee338ff29c6b487e241230ca24348099
Manifeste3c97e4f102b51cdae2375ae79bfbb2a844a6c28fcb1c4aaf14da9caac925c4b

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
SignaturePhOi0zLU91IRZ7RCa0fQmsRk+7+n5hDrLTlU6cDzqh9GSDcQoauiwY8cvgVhlZqQQgfj/lRryxQoVwofc97wAA==
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

2026-09-17T10:21:07.514146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073173
observed 1c8685892e8d28e8c1ef92993cbc4110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.495184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073173/manifest.json
observed e3c97e4f102b51cdae2375ae79bfbb2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.477482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073173/publication.md
observed b20a6091744ad062de06aeb7dfb70968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.458888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073173/publication.txt
observed 75d739f94cb5d3749873a9ce6bd93df8...
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.