OpenTechnical

OT-2026-000073004

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000073004) never changes.

Identity and time

Publication numberOT-2026-000073004 · never reused
Internal UUID01a0ae92-c815-79d7-affe-72659c01b9e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073004
StatusPUBLIC

Content hashes

Canonical text18c1c06c5a44a3d7075b450fd31a6ad51d8dfaa6737a3081d5abc42c3cc255ff
Markdowne7bf47367ee0a02a904a6b638b9212b20239ac39c1384f59b2acc7527214117e
PDF
Publication pageec54046b5752396e85da1d5c90fc8aa7997f055638f21d452e2fe84bc65fb515
Manifeste4aba7b03e4934ea8cab631e674e8955436860dfc5d08020b2db9cfcec0ff815

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
Signature71nG3VWn1nFZxQS5BUZ2aAxwF0S1/5v8QtL/NrUUlJYTbXX+Hv+cm5IsMfCl6lQprNMOZVDSiiNzETYm/fLJBw==
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

2026-09-17T10:21:56.345081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073004
observed ec54046b5752396e85da1d5c90fc8aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.327865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073004/manifest.json
observed e4aba7b03e4934ea8cab631e674e8955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.309406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073004/publication.md
observed e7bf47367ee0a02a904a6b638b9212b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.291149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073004/publication.txt
observed 18c1c06c5a44a3d7075b450fd31a6ad5...
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.