OpenTechnical

OT-2026-000095769

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095769) never changes.

Identity and time

Publication numberOT-2026-000095769 · never reused
Internal UUID01a0ae9f-fac6-7384-bfcb-4d351dd881f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095769
StatusPUBLIC

Content hashes

Canonical text2f4b4e154c63e4b4bf6ae6bad446eec85287c8b1c1a74194417c6f29bd082517
Markdown1e3386815c57593923419843ebe0ff496db66e386b7fb0641a48dc053fe45df2
PDF
Publication page046266c3ece45e8ecb43b04105accf44b242ce8cbf95f3e01aadcefb09b3f175
Manifestec7f9bb71a9ba666b4cd9d12f9fa696988d6a0f9fbe9eb731e31a54290c84a51

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
SignatureZq1ri3+PieugAjXTQd4bZIrUSsczN8JQ2kyavXQ3jab543Sl6wcqxTUwPCuaXaFvJ3uNcwFur+oJWM0qGu3mDQ==
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

2026-09-17T09:35:49.989703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095769
observed 046266c3ece45e8ecb43b04105accf44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:49.970924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095769/manifest.json
observed ec7f9bb71a9ba666b4cd9d12f9fa6969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:49.954263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095769/publication.md
observed 1e3386815c57593923419843ebe0ff49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:49.935648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095769/publication.txt
observed 2f4b4e154c63e4b4bf6ae6bad446eec8...
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.