OpenTechnical

OT-2026-000071533

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000071533) never changes.

Identity and time

Publication numberOT-2026-000071533 · never reused
Internal UUID01a0ae91-e0ee-751e-819c-3540f7751596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071533
StatusPUBLIC

Content hashes

Canonical textc1146947cccc495cba4a66cd740499ba6deedeb33a1fa652d3fb91081ef4b03f
Markdown8b7edaaf18b25d2ac3e2cc02fc13567f2d111a32578e7506defaa295f8687638
PDF
Publication page85c9fab79c23572a373080e45c0b28a5101c2f6543ad715da18b15db016d84f0
Manifest28e805eab46775aa14983b958ce11b89c4ac33db4c6877f3200ae7dbaf869226

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
SignatureQR8Lk/Gg/UGGmglOF6IeQ2TiFEdU8hBhKlrq5v2ALoN3ibcBU4ky5YiI7bl+UFslaTpkJvUJWg1rN7Bs9ZkQCA==
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

2026-09-17T10:25:11.107709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071533
observed 85c9fab79c23572a373080e45c0b28a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.089011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071533/manifest.json
observed 28e805eab46775aa14983b958ce11b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.071879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071533/publication.md
observed 8b7edaaf18b25d2ac3e2cc02fc13567f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.054284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071533/publication.txt
observed c1146947cccc495cba4a66cd740499ba...
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.