OpenTechnical

OT-2026-000017404

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000017404) never changes.

Identity and time

Publication numberOT-2026-000017404 · never reused
Internal UUID01a0ae6e-76c9-7163-b32b-a0b013e651a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017404
StatusPUBLIC

Content hashes

Canonical text37e71c1d3c00b85ef3744591939ae60fcb0f0ce4f6b47f80aa9943b86d0c3d91
Markdown48008a3c48237576a7efbf018443b018303bced1b0303558353bb13e10e1384b
PDF
Publication page1f80fdc4816dfc55f18601784a2b1df26dc717b83d25baca3ccfea94d93ca4f6
Manifestc0374126c4d0e3236ea2ca4a1145cb96c2d5a37c76765e88c7a125e96af5c8ac

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
Signaturesl54/JDM2bGuq7XCh1cbzBvv/s6zlpZ9rUw9rpHL9L6nri7SbWv1BKAociTqbtXrJZGRc6HL93XXkzgCOEFwDA==
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

2026-09-17T12:02:31.894150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017404
observed 1f80fdc4816dfc55f18601784a2b1df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.877217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017404/manifest.json
observed c0374126c4d0e3236ea2ca4a1145cb96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.861161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017404/publication.md
observed 48008a3c48237576a7efbf018443b018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.845039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017404/publication.txt
observed 37e71c1d3c00b85ef3744591939ae60f...
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.