OpenTechnical

OT-2026-000074524

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074524) never changes.

Identity and time

Publication numberOT-2026-000074524 · never reused
Internal UUID01a0ae93-717b-7ec9-982a-b06e81f3296a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074524
StatusPUBLIC

Content hashes

Canonical text57632c81e08b1a539f38d69a6af3cb52d90e93dcbb136fe14327d8b7167b3594
Markdown526aa52189ea65a74fbb121eea285883127c1c21dc9c5b72b8a2213b3caf0971
PDF
Publication page92b90755103ca08517256964e1384bb10f3d956c6e196c4f8f78727f510a4223
Manifest9797709d7cd1a8a2edc29acae54615f807a8d6f0dff28f98370717c381298e15

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
SignatureOIgwGhbZCvoPGGeaGBGIdeyzHH0+6bCQwNfds11Je944f2jR+ed82jIu7RSucnWhSm6zDFOcaajXJbTSx3r7DQ==
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

2026-09-17T10:19:30.155812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074524
observed 92b90755103ca08517256964e1384bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.137624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074524/manifest.json
observed 9797709d7cd1a8a2edc29acae54615f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.118323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074524/publication.md
observed 526aa52189ea65a74fbb121eea285883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.100149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074524/publication.txt
observed 57632c81e08b1a539f38d69a6af3cb52...
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.