OpenTechnical

OT-2026-000025401

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025401) never changes.

Identity and time

Publication numberOT-2026-000025401 · never reused
Internal UUID01a0ae71-5fa7-7bd0-a024-1bcb5e10556a · 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-2026-000025401
StatusPUBLIC

Content hashes

Canonical text52220283ca1147797ab93bdab5628d9305bb4ae23a5ddb9061c28bc1ebce4f39
Markdown5ca5df054e7dd3aab750d8be043580fa6b5628c32335b306c3d943bf31eb462e
PDF
Publication pagef2db1a3f7a4ad1df4cbad53751da077ecde214fcefb4a77ae9010c22716488bd
Manifesta20c5ffa8c6d51f7bf935501bf45a2ea1999467765d44ea91a14c0d6632054e3

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
SignatureMHSAQScI39qII1eniTAvMzvZ1hVs9SM2z6TUvOxuPcDIwbwwn+w/XY1xQ+hCODDSpfNaPyrzrTc/BeLSGvCsBw==
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

2026-09-17T11:47:28.188627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025401
observed f2db1a3f7a4ad1df4cbad53751da077e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.171132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025401/manifest.json
observed a20c5ffa8c6d51f7bf935501bf45a2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.152738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025401/publication.md
observed 5ca5df054e7dd3aab750d8be043580fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.133977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025401/publication.txt
observed 52220283ca1147797ab93bdab5628d93...
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.