OpenTechnical

OT-2026-000072227

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000072227) never changes.

Identity and time

Publication numberOT-2026-000072227 · never reused
Internal UUID01a0ae92-47c2-7e71-a4ef-6b95b272776c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072227
StatusPUBLIC

Content hashes

Canonical texta5ce73c1f55bc33ba115de7cfddf181b8978ad25c8ac5180c2a36d08bcb65b6f
Markdownce177d95c380aef8e9726cb903bbfaa3faa42cefe98c8358c67379d9f0acdf6e
PDF
Publication page7905252335ecaea39475a867e35063caf07d3e417f23a0b90861e95cb9c0b599
Manifest8e96e170456d633f17f46964840a6a4f3dfe29845e51a4c31174f3ef4d735515

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
Signature+nsqKb/0Asch5cOZvCBfk5qKspi5LW+LAJj0ahoSMOktwBKhP7A2YasdcaywDx36IsS4zgh00DoDWichz/v4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:19.913585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072227
observed 7905252335ecaea39475a867e35063ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.896603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072227/manifest.json
observed 8e96e170456d633f17f46964840a6a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.878318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072227/publication.md
observed ce177d95c380aef8e9726cb903bbfaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.861317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072227/publication.txt
observed a5ce73c1f55bc33ba115de7cfddf181b...
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.