OpenTechnical

OT-2026-000089402

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089402) never changes.

Identity and time

Publication numberOT-2026-000089402 · never reused
Internal UUID01a0ae9b-db01-7d62-8557-4ee35f7957e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089402
StatusPUBLIC

Content hashes

Canonical textb20b84cb7f2a5b81642a636d83f3b6a72479ec676c1c18f40ce232c5d71699dd
Markdown8476da26cb3a69997850987ea8e8a893b9c96b9a2ab6fdd8955e1158ad5804ed
PDF
Publication page48aed402fe5f19c1a6bab9504c3a8400616d920326bf8e54a0c5fe48d67d5173
Manifest4d8d5a14f4b8dbf1326b0d61669418648f074a9b1333b7ee0b5823a1e7b0733e

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
Signaturej2abDG6de3w5410BRlK4Fex6phJjdT/XKjDE/jVe+NQiRw4Y+OpnV6VK6fRWirOTvcXgzVP9q5usuvF3B8XLBg==
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

2026-09-17T09:47:32.537411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089402
observed 48aed402fe5f19c1a6bab9504c3a8400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.521670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089402/manifest.json
observed 4d8d5a14f4b8dbf1326b0d6166941864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.505042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089402/publication.md
observed 8476da26cb3a69997850987ea8e8a893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.489220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089402/publication.txt
observed b20b84cb7f2a5b81642a636d83f3b6a7...
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.