OpenTechnical

OT-2026-000034688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000034688) never changes.

Identity and time

Publication numberOT-2026-000034688 · never reused
Internal UUID01a0ae76-1ed1-79bc-b839-5ea9406072df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034688
StatusPUBLIC

Content hashes

Canonical textcbf2edaf7baa266e626fe4f59f6490eaeede8a0fb927fca3e8d4d0c2cbd13de2
Markdown273be297151d20bc8be4121a4bb51c1c443911440e0e97d7a90ca1e6accaa532
PDF
Publication page35d5b43ad23bb3d2813d6df39b93e960224c75d41038ba85fe6baec62a345cd7
Manifest8bfd1d20a177aea648bbab2b645254a8dc02e2886f6886a3ab0df4f4feb953c4

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
Signature5wmWmrkbofFjCi/6nyJES9DtPxIdHwiTbx2u4SSN3sP/C9e9Fu3vqc+dcyqHub1dRghCsKplxwr6FYvevkQtDw==
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

2026-09-17T11:30:04.478455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688
observed 35d5b43ad23bb3d2813d6df39b93e960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.454236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688/manifest.json
observed 8bfd1d20a177aea648bbab2b645254a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.432780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688/publication.md
observed 273be297151d20bc8be4121a4bb51c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.411125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688/publication.txt
observed cbf2edaf7baa266e626fe4f59f6490ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.654821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688
observed 35d5b43ad23bb3d2813d6df39b93e960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.637219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688/manifest.json
observed 8bfd1d20a177aea648bbab2b645254a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.617171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688/publication.md
observed 273be297151d20bc8be4121a4bb51c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.598833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034688/publication.txt
observed cbf2edaf7baa266e626fe4f59f6490ea...
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.