OpenTechnical

OT-2026-000012760

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000012760) never changes.

Identity and time

Publication numberOT-2026-000012760 · never reused
Internal UUID01a0ae6d-5562-7ab4-8ccf-c3d87a3e45fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012760
StatusPUBLIC

Content hashes

Canonical textca81f7e6159f3c33b1aaef937b0c7b5b6120dce7abb079bac999f94f43d6b2e4
Markdownd1301aff1cf10fa0a9659075efce1949e3323e0175771cbdebb14adab2ec20f9
PDF
Publication page079e518c9d6d411c8df0e84c0f630058d3af46b6eca7b3aa7b46fa5c71a0d5e1
Manifest66467a0425997fdff070a1132eedf148f8e309199d757e2b15b8c50ae132b04a

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
SignatureIhhU5t3q5/gk1rU2Qbdey/6bujHF40+X+i93aQ4uLA6+AO9iSCwZAy4IDi/hldfj6mfQV5s4yqbAzUBJNwgnBQ==
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

2026-09-17T12:10:28.130209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012760
observed 079e518c9d6d411c8df0e84c0f630058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.111175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012760/manifest.json
observed 66467a0425997fdff070a1132eedf148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.090846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012760/publication.md
observed d1301aff1cf10fa0a9659075efce1949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.071517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012760/publication.txt
observed ca81f7e6159f3c33b1aaef937b0c7b5b...
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.