OpenTechnical

OT-2026-000015948

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000015948) never changes.

Identity and time

Publication numberOT-2026-000015948 · never reused
Internal UUID01a0ae6e-0c4d-7edb-9850-7da600da25f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015948
StatusPUBLIC

Content hashes

Canonical text5fb9d01848ef3ae377d7698d6160c9d83aa1a46fbbf9854bcc5d5d7e0b2ca8c2
Markdown999b50618583da1183731c1c0c487ff6db062cece4d34232260bc325efcd9907
PDF
Publication paged4ddfabae1d43c30b017dd06c2b5b7b5e79f49aaa613b556d76b8b9ab0411ffa
Manifest6a60416dbc7246cd92ada055823935a2b22f32d1365e103be812a6b492ace01b

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
SignaturePb6mI5Uy2TB2/djdO3bFjKtie1JloqGefIWzUhe2Kkp2LaPj4Sm7S+tkSphibm/cU7I+H/NKK+7U3L3V5+mrBg==
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

2026-09-17T12:05:25.650695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015948
observed d4ddfabae1d43c30b017dd06c2b5b7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.620502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015948/manifest.json
observed 6a60416dbc7246cd92ada055823935a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.592912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015948/publication.md
observed 999b50618583da1183731c1c0c487ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.566028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015948/publication.txt
observed 5fb9d01848ef3ae377d7698d6160c9d8...
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.