OpenTechnical

OT-2026-000033301

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000033301) never changes.

Identity and time

Publication numberOT-2026-000033301 · never reused
Internal UUID01a0ae75-8980-7a57-943b-f7fdc740328a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033301
StatusPUBLIC

Content hashes

Canonical textff6881889dabba422e812235a2f2d78847ed87645884800fb6757af7b96f2490
Markdown4ef8008db491b1dc84336be9c302b2ad4f5518956e5292375ff9ae44a4955052
PDF
Publication page193d7bc34ef849ec5585438a6983c3fee07c07608ce1e25f0e1d33f389c10414
Manifest05b231a33e5a7043525569b49900af3bab0e9b790dd47f48e479c8de23003728

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
SignatureG6f3BvYhbcxxouNCOoqN8EE/a0Zivin3b395Xs7Nn6/PdFIkMvr/JQRb5U6YSszzRJ5XVEd6thQKys3MO4n6Ag==
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

2026-09-17T11:32:02.816796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033301
observed 193d7bc34ef849ec5585438a6983c3fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.799614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033301/manifest.json
observed 05b231a33e5a7043525569b49900af3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.783344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033301/publication.md
observed 4ef8008db491b1dc84336be9c302b2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.768146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033301/publication.txt
observed ff6881889dabba422e812235a2f2d788...
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.