OpenTechnical

OT-2026-000025152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000025152) never changes.

Identity and time

Publication numberOT-2026-000025152 · never reused
Internal UUID01a0ae71-5fa5-7fda-b9ae-b6bf830e65e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025152
StatusPUBLIC

Content hashes

Canonical text9a50384b988f1c91c014f3dadfefe75b2e595bdabd99ff6d61638335f1805de1
Markdowna9a18781ab633f28ce97dfb07ead19b377e5a4989ca6e87afc195afa25d66d37
PDF
Publication pagef1a7ddcaea01b93a769297068d325fb27127513587beb281f3d239ab72ed0e05
Manifestbb5a0a53455f49e516342bfe20bfef092392d3e31391ff8f6a531a36308891f1

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
SignatureJMreKUHYx51nz/60zF5FxgBhH1MHyLqfTzHYmBOUU/+9wcMua2xFm4V/YFTBVjscA/0DtuNqIBnXW+KJQzZLAg==
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

2026-09-17T11:47:02.355003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025152
observed f1a7ddcaea01b93a769297068d325fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.337816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025152/manifest.json
observed bb5a0a53455f49e516342bfe20bfef09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.319999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025152/publication.md
observed a9a18781ab633f28ce97dfb07ead19b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.303046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025152/publication.txt
observed 9a50384b988f1c91c014f3dadfefe75b...
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.