OpenTechnical

OT-2026-000066721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000066721) never changes.

Identity and time

Publication numberOT-2026-000066721 · never reused
Internal UUID01a0ae8e-ce42-716e-b992-327d69ca5262 · 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-2026-000066721
StatusPUBLIC

Content hashes

Canonical textc83d4c0d5368820b8ec43aa3e7322b617520fd1249e133dd22a00f5be98b1d72
Markdown9f6974b226b73eee882e21234733f8abf699c8b52fc4cc0aaee5ffb7ca4c14bd
PDF
Publication paged7db54107900573ea17ba11d090cc82eda9daf23f46bf74a98f66399ca64b3b5
Manifest04b4056ce6cb03c6fd3a653c024e088575067f84d5a7b56cd2417280ec9c12cc

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
Signaturec7nsQ56Qy9cgx2h45I1gSGH53IzyvKP07bjZo2azqlc4k0Ib7s8HNqhb3zXH5vH20D6YxftznSj6Vuqs2uboBw==
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

2026-09-17T10:33:07.526866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066721
observed d7db54107900573ea17ba11d090cc82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.509481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066721/manifest.json
observed 04b4056ce6cb03c6fd3a653c024e0885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.492716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066721/publication.md
observed 9f6974b226b73eee882e21234733f8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.474993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066721/publication.txt
observed c83d4c0d5368820b8ec43aa3e7322b61...
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.