OpenTechnical

OT-2026-000066873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000066873) never changes.

Identity and time

Publication numberOT-2026-000066873 · never reused
Internal UUID01a0ae8e-ce43-7a3b-b315-404dd7cc52a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066873
StatusPUBLIC

Content hashes

Canonical text0f36168063734b04a0b0260c3c9b425133dc76fbd0b46650f76ad3abedcfaeed
Markdownad1c311651b5d31d0b07e950132855a6ff8e23fe8aa43cb2b2d06426d8d08ce5
PDF
Publication page04c903ab847233c7304c7c3a6c6c24da02e45287db460705bf39664e841e7636
Manifest2f35f892d47553a876fadcf8d7ea5907cee4c7c30b84eab62d789df74be85689

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
SignaturekfMgr58rgOBNh42qXDzCe88V/FX1vSDVSZdefDWtilUCrqjbd8FtJTRq50SaXNjFhtJxmmLo8Lnx6kLv7+ncCw==
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

2026-09-17T10:33:19.079188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066873
observed 04c903ab847233c7304c7c3a6c6c24da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.061385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066873/manifest.json
observed 2f35f892d47553a876fadcf8d7ea5907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.043978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066873/publication.md
observed ad1c311651b5d31d0b07e950132855a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.025111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066873/publication.txt
observed 0f36168063734b04a0b0260c3c9b4251...
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.