OpenTechnical

OT-2026-000072960

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072960) never changes.

Identity and time

Publication numberOT-2026-000072960 · never reused
Internal UUID01a0ae92-c815-7b07-84ed-73c54cc365cc · 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-2026-000072960
StatusPUBLIC

Content hashes

Canonical textc32d59f4f4f18082fa41cf8fe256d9d1b67c87c395a8466fae3e425c2f08632c
Markdown9d9a0a87abeb2e9aa0bac44d33ff2af3d7d0ff0cfe605308e333272ec7093179
PDF
Publication page1a6eed640519e7fe4cb608233112fc08516a5da91d2f4e30ef16a6a566f7dee7
Manifest395d698e4547f9b286195bb8d32902c5976c70d46ec188901ca643978b31d968

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
SignatureKzwxEadvkc0+rm/PbbDBJQBzYEzonXLLm/XcDEZWR7edf49khPL6S/suoQJrilhgXmsfrjamhxwLU5jhZB96AQ==
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

2026-09-17T10:21:53.073218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072960
observed 1a6eed640519e7fe4cb608233112fc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.054778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072960/manifest.json
observed 395d698e4547f9b286195bb8d32902c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.038539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072960/publication.md
observed 9d9a0a87abeb2e9aa0bac44d33ff2af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.021574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072960/publication.txt
observed c32d59f4f4f18082fa41cf8fe256d9d1...
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.