OpenTechnical

OT-2026-000061149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061149) never changes.

Identity and time

Publication numberOT-2026-000061149 · never reused
Internal UUID01a0ae8b-137e-7ee5-b586-0043d5da7c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061149
StatusPUBLIC

Content hashes

Canonical texte20d9c8f9a1fbbfd9b15960a25764c3ffda89faca949ea46cce87e3a8a55e421
Markdownc39742677f1547cf00362507400353824e8606f04c509a02cfc1865291009311
PDF
Publication page7f36d96b60477692233969a13233f905973bd5d7ab84c1ee4728b989c103652b
Manifest843718842f40b7273bcf327b83e6c41c8cbf79c44e4b749b71af59ead42d5292

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
Signature5lE56K1H3o+xpStyeeYrch4yUFobou9LcQH80pb0tohGwjLSmQjfFP8UsPEUwiJFdhG0iZXbRW9kttWiSxWpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:31.921277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061149
observed 7f36d96b60477692233969a13233f905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.903799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061149/manifest.json
observed 843718842f40b7273bcf327b83e6c41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.886667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061149/publication.md
observed c39742677f1547cf0036250740035382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.867137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061149/publication.txt
observed e20d9c8f9a1fbbfd9b15960a25764c3f...
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.