OpenTechnical

OT-2026-000047319

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047319) never changes.

Identity and time

Publication numberOT-2026-000047319 · never reused
Internal UUID01a0ae7f-3e56-74e0-b121-88f1c51d52e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047319
StatusPUBLIC

Content hashes

Canonical textf25178eed29d8e9ffab4a545d4cab20212b5ba537c70f2afbcad7d980fb1a524
Markdown9def48d21537992626c8fbaa0dd3a79852eb1f34d43f1d92fd63bcd1155d3406
PDF
Publication page208671c8d5d8acba0879896df3bf23f6aa56e5a15fbfa69d27829d624fea2501
Manifest2c29406d1dcc2f964cd16b4ef98505fb3583a68fda01d6bdc3d3152e659cb7a4

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
SignatureHnD+6+98IJNycdfoKtN+AoXsgxoBj8PPmKdaC/PMn1qVHldCimox0Qaia+1qdvnGGZLblgXl+aEf/tPbEMUFCg==
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

2026-09-17T11:06:18.245287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047319
observed 208671c8d5d8acba0879896df3bf23f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.226657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047319/manifest.json
observed 2c29406d1dcc2f964cd16b4ef98505fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.209093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047319/publication.md
observed 9def48d21537992626c8fbaa0dd3a798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.191760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047319/publication.txt
observed f25178eed29d8e9ffab4a545d4cab202...
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.