OpenTechnical

OT-2026-000083486

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-2026-000083486) never changes.

Identity and time

Publication numberOT-2026-000083486 · never reused
Internal UUID01a0ae97-c965-7f37-85d4-148fabf2b5f8 · 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-2026-000083486
StatusPUBLIC

Content hashes

Canonical textb4a80e139201d57d8181ae29b82145c17d5739c8e3fdbdb45f69f9f47f91c9f1
Markdown372951af284b5d2ba726691c878380f07330223ad2ba5030db29abf6134e99a9
PDF
Publication page672f35440b7857374e454cb0dd911c64b8a83ec4bd6fb560fee702ec8c87df5d
Manifest47ff16b383116ecfe771add39f36c534029963157e2c9f90cd48f8e2efe60242

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
SignaturewRyKKo0b1cGMD0hFAFKZrKgIeFLRDFFmot/iNMfK48RfSM1OSrWIgIRlNLvZi6igxgrlPN2OeEtD8OM/q1YzCQ==
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

2026-09-17T09:57:54.592027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083486
observed 672f35440b7857374e454cb0dd911c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.576839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083486/manifest.json
observed 47ff16b383116ecfe771add39f36c534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.561960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083486/publication.md
observed 372951af284b5d2ba726691c878380f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.545397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083486/publication.txt
observed b4a80e139201d57d8181ae29b82145c1...
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.