OpenTechnical

OT-2026-000037612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000037612) never changes.

Identity and time

Publication numberOT-2026-000037612 · never reused
Internal UUID01a0ae77-b8cf-791b-99f1-4353c87b1e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037612
StatusPUBLIC

Content hashes

Canonical text825de91dbf038a42e8eb7796a429c77427b8d144ae188c5398a0fedcd2af4b25
Markdown8e9dcd108efd3936c371ce37f84bbcc1a7967ba6c689d3cc39e30c1fad759b3a
PDF
Publication page6a5837ce4fc618db734146b01477c7c1cf5b1349793644e242d26f5f5504607d
Manifest612c563ac9ee7410667040e3570219923514fb2469b802a91f25ee912d8c8c6a

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
SignaturerC63RmE4AblRqG4ErWxGj5IJgleRr0nPIiZ1U7c1T+kyem7Wss6frKRr2qIRRu6055m4jhGH6sm88aTfav9jDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:10.159504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037612
observed 6a5837ce4fc618db734146b01477c7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.143171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037612/manifest.json
observed 612c563ac9ee7410667040e357021992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.126861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037612/publication.md
observed 8e9dcd108efd3936c371ce37f84bbcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.107917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037612/publication.txt
observed 825de91dbf038a42e8eb7796a429c774...
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.