OpenTechnical

OT-2026-000074266

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000074266) never changes.

Identity and time

Publication numberOT-2026-000074266 · never reused
Internal UUID01a0ae93-7178-7eb6-947c-b9f15b6c1ed2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074266
StatusPUBLIC

Content hashes

Canonical text1a1e86b4f737cced1f4055c4487462046457b0aec0998f33256cc71a334f5fbc
Markdownbb2b9c844bbfa264b5076f97375b32293b621314e1988d9c0e58b6df6ea82302
PDF
Publication pagea37168a3005f9b191c991858b87820a6f22894d5c44e7a8f97fd8bf4c94fac5c
Manifest6dd94d12d7502bf8f177f1561f1e597f3ca3a2e8a2ea0457ae7d716da0cfbdfc

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
SignaturexsZUcaXpw+60zrhhJEQZRUwxMYDGopTvU6yYd+kJt3ZcjPdOP7v8rTFgnHnjgfCugnv9kC+P8Js7iBtwQNS2CQ==
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

2026-09-17T10:19:10.126026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074266
observed a37168a3005f9b191c991858b87820a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.107504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074266/manifest.json
observed 6dd94d12d7502bf8f177f1561f1e597f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.088751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074266/publication.md
observed bb2b9c844bbfa264b5076f97375b3229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.070755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074266/publication.txt
observed 1a1e86b4f737cced1f4055c448746204...
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.