OpenTechnical

OT-2026-000056786

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000056786) never changes.

Identity and time

Publication numberOT-2026-000056786 · never reused
Internal UUID01a0ae87-7af7-7f5a-b452-2f557b39767b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056786
StatusPUBLIC

Content hashes

Canonical textf013123637c3d7faa7350258cda571f7b148c27071d131ab96f3a7811624c5a8
Markdown75c1616e81bdb90a9fb6e0270c4f2c48716e394b7f77bc5b8fda62e5fc6151f1
PDF
Publication page79b6f7754f020e80fffc40d290ca2addc35936919fc4b7194c3ecdae06bb72d1
Manifest72e0b328ecbf872462937f1795382aa23bc2a7ecd54ae1b5e014a4e847d83b18

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
SignaturesJgn/fun0abEeQs8sNXGLh+7jfm+myaCix+cY+tqAQn8TyJikScyyP1ASObn48JnbHSaRO9+nqpM/NFzIh5hCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.919231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056786
observed 79b6f7754f020e80fffc40d290ca2add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.901697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056786/manifest.json
observed 72e0b328ecbf872462937f1795382aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.882292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056786/publication.md
observed 75c1616e81bdb90a9fb6e0270c4f2c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.865670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056786/publication.txt
observed f013123637c3d7faa7350258cda571f7...
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.