OpenTechnical

OT-2026-000100528

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100528) never changes.

Identity and time

Publication numberOT-2026-000100528 · never reused
Internal UUID01a0aea3-66f0-7d2b-99f2-9000ae726f90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100528
StatusPUBLIC

Content hashes

Canonical text9d6106da9cebf40c281ad68b8e40f11c1cce9d894fac9c490ed2f32d456277e9
Markdown93843b90b15ea582a48fa821656e9f1c2fbc9d08e826711d6132f382126c206c
PDF
Publication page088a08ce213e3f91921f5db6d68cb0efdc354f71ae0d69a178f12267156ff8d9
Manifestd9af0eadf9ecf8d452ef520363c31e7f9db5e2de8dca9f4f66086a559bf33ab1

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
Signature9RQTCEG7scUy2mUrZZU/maiDpw4Wwxop6rZ5gYCGB8tO9Xkk2WCttW/1akFodff3jV6qGCLEH5cJp9g4szwzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:17.921750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100528
observed 088a08ce213e3f91921f5db6d68cb0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.904477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100528/manifest.json
observed d9af0eadf9ecf8d452ef520363c31e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.888043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100528/publication.md
observed 93843b90b15ea582a48fa821656e9f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.871179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100528/publication.txt
observed 9d6106da9cebf40c281ad68b8e40f11c...
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.