OpenTechnical

OT-2026-000025753

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000025753) never changes.

Identity and time

Publication numberOT-2026-000025753 · never reused
Internal UUID01a0ae71-a83d-71f6-9fec-50b0c5c0464a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025753
StatusPUBLIC

Content hashes

Canonical text53d7336dfff878a01ca28bd9582001eeab7d927533ed0cd48f9b65ec858d1ed9
Markdown0e8cde8e084c18968d178bf94ab33d876ac3b009888dde90ab890e491ffa95ef
PDF
Publication page0e61d13530a834fb5ab303d667c7ab28168062285a08bc28c6fa4caf64c9dae9
Manifest83768e24c216d86a81da6fdbdcd690b1023b432a450fe5526934631bd7d9609b

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
SignatureTeNugqfVGRoHqDaal+qlGLPmqbXwnZxd112zhUFZCBReHzAjai9J4nTT+LlsO5qS9Yo5qn3jTrDwvWDac0Y6CQ==
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

2026-09-17T11:45:57.246412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025753
observed 0e61d13530a834fb5ab303d667c7ab28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.228503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025753/manifest.json
observed 83768e24c216d86a81da6fdbdcd690b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.210876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025753/publication.md
observed 0e8cde8e084c18968d178bf94ab33d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.192160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025753/publication.txt
observed 53d7336dfff878a01ca28bd9582001ee...
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.