OpenTechnical

OT-2026-000083482

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083482) never changes.

Identity and time

Publication numberOT-2026-000083482 · never reused
Internal UUID01a0ae97-c965-730c-a111-3b72ab08f3a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083482
StatusPUBLIC

Content hashes

Canonical text39cd14a235cfeb614c6ecc654ebbffe1d3dd9e86aa5f62246f05d16640ee8a34
Markdown5018eee3f0c543003d749dc3c70c4e232a1d31c930586bedf04bb1d9d2d0f6ba
PDF
Publication page9abbd446b6e5b479b77419756e8cc872e8c7aa86bdf62f38327c4336e3b51ea3
Manifest38cacc8f7a1f9c291084a088cad6f80a4b9b2ad6e4b6a96af5b658141a5dbec7

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
SignatureJHyta5/l/maaSHNDdwlI2nrvIjIkspH0eigo8rKwLp5GCTFMFgGT9cNKRv0ZxSw0cjjJ/3SaesoEL4Jt3QzoBQ==
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

2026-09-17T09:57:54.332381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083482
observed 9abbd446b6e5b479b77419756e8cc872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.316755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083482/manifest.json
observed 38cacc8f7a1f9c291084a088cad6f80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.298332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083482/publication.md
observed 5018eee3f0c543003d749dc3c70c4e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.282918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083482/publication.txt
observed 39cd14a235cfeb614c6ecc654ebbffe1...
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.