OpenTechnical

OT-2026-000011536

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000011536) never changes.

Identity and time

Publication numberOT-2026-000011536 · never reused
Internal UUID01a0ae6c-88ff-7542-9b18-ad33244f3f50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011536
StatusPUBLIC

Content hashes

Canonical textd7ae94aa7f2bb873cb1000961d71e3154757fe9524cd42dc45927c53ab6e5be2
Markdown21a215669168b3c141fe926d6a1ae192f2a6b7b09e0f603ea61e39e7633b62cb
PDF
Publication pagef35057151a1333b693eec39be3a576283bd3bc684afe4a092dad57d2f6e28dbf
Manifestb463db131d27082338d61a7d611015efeabce5ef768c5af3710bb2d68e5a3415

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
Signature3t57yj5QaBCiqnwmOHA5hQWt25erpOobu5XW23YY3yZiD3ZW3i0wUL3Dmo5J1bKJ/9Wn+s8ghdrYoJavIu+OAg==
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

2026-09-17T12:13:00.987764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011536
observed f35057151a1333b693eec39be3a57628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.969429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011536/manifest.json
observed b463db131d27082338d61a7d611015ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.945722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011536/publication.md
observed 21a215669168b3c141fe926d6a1ae192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.919470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011536/publication.txt
observed d7ae94aa7f2bb873cb1000961d71e315...
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.