OpenTechnical

OT-2026-000064930

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000064930) never changes.

Identity and time

Publication numberOT-2026-000064930 · never reused
Internal UUID01a0ae8d-debd-7d45-bc87-03f8130c609c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064930
StatusPUBLIC

Content hashes

Canonical textbee0e76ebc989b4afce1ef7a00f62a82443d015baa8d2bc7492f75d0f17e7017
Markdown50a8b59c532247b76181e57b43229f41bd71ebfcac3cff5a0753c7eddc410ba0
PDF
Publication page602d626384b37a2ea1766e8bfee145304e1b2350f11f51da7cff891d75ae6ef9
Manifest8875e384e9efb11edfe5083e9a7ef423f450d9d9227ef4ffe8ac2baa95729b95

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
Signature0GbrkFe3S5gji1zdLUQuw82qXbaFD7/o2Cj09zUbagImtaSSIATP5f1zICYHM1I2i/41Dx759jSkFdf9VgvSBw==
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

2026-09-17T20:41:08.611553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930
observed 602d626384b37a2ea1766e8bfee14530...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:08.457173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930/manifest.json
observed 8875e384e9efb11edfe5083e9a7ef423...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:08.166511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930/publication.md
observed 50a8b59c532247b76181e57b43229f41...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:07.961345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930/publication.txt
observed bee0e76ebc989b4afce1ef7a00f62a82...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.996722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930
observed 602d626384b37a2ea1766e8bfee14530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.981644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930/manifest.json
observed 8875e384e9efb11edfe5083e9a7ef423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.962935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930/publication.md
observed 50a8b59c532247b76181e57b43229f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.945339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064930/publication.txt
observed bee0e76ebc989b4afce1ef7a00f62a82...
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.