OpenTechnical

OT-2026-000028110

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000028110) never changes.

Identity and time

Publication numberOT-2026-000028110 · never reused
Internal UUID01a0ae72-a520-75ab-bb00-6073e838a6b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028110
StatusPUBLIC

Content hashes

Canonical textabbb124e44a94e8c8227f4b880c4be771127b7b9736fdbc0c0ab3a880c014c3d
Markdown2f157a61bb6fc2d4ff118a47386954d6dbdc3f88f5062d1e348f68e6d3866ffa
PDF
Publication pagefc417b3c21eac4a6f4fe2d3686ef1e26d5b3f5d6a61258646465cab795424199
Manifestfd0a9c184451d158510c4cb4ca51ff0dacc5ac65e6b4d20ed905d35535804af4

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
SignaturezpKbRdqi6TUgZxHfOt5mdTe/KyygWCdFFrArrNcH/UjMCq+IGmuUrrF+xNqbvf5CWX3BRRKE7fAsMft53GomAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:27.559053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028110
observed fc417b3c21eac4a6f4fe2d3686ef1e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:27.537763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028110/manifest.json
observed fd0a9c184451d158510c4cb4ca51ff0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:27.521455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028110/publication.md
observed 2f157a61bb6fc2d4ff118a47386954d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:27.504194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028110/publication.txt
observed abbb124e44a94e8c8227f4b880c4be77...
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.