OpenTechnical

OT-2026-000071186

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071186) never changes.

Identity and time

Publication numberOT-2026-000071186 · never reused
Internal UUID01a0ae91-e0eb-776d-808a-12819021d5ba · 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-2026-000071186
StatusPUBLIC

Content hashes

Canonical text46a5a822494a2cb2302818b9c3411ea5f5530048a420f78a3434eb26f988e0b3
Markdown28d427a023475f29cbf258e4eb846387df547d4e57a5f6859f9e14bc68dc5ec6
PDF
Publication page7a407073eaa5e1a20d6a157b6dfdac7bdb9321f02d294e9b2f388514ba2edd2d
Manifeste4478842fc1b1ec22099903565e02f2d23a85ac3339ad22f6052f4ef68af1804

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
Signature6WQaInCJQmPQ5tF8ZO3pIRsApWdJ5sgdz4EYymxpm3+djXDQQ6XvO6kVqR9wrSBQ9KtNEHsWztUOFO8zQ9lYDg==
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

2026-09-17T10:24:42.072907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071186
observed 7a407073eaa5e1a20d6a157b6dfdac7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.052836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071186/manifest.json
observed e4478842fc1b1ec22099903565e02f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.035625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071186/publication.md
observed 28d427a023475f29cbf258e4eb846387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.019442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071186/publication.txt
observed 46a5a822494a2cb2302818b9c3411ea5...
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.