OpenTechnical

OT-2026-000088339

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line 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-2026-000088339) never changes.

Identity and time

Publication numberOT-2026-000088339 · never reused
Internal UUID01a0ae9b-5d27-722e-8a06-145af3f1c02b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088339
StatusPUBLIC

Content hashes

Canonical textd124cfb77499f31b40ffdbd8751b89252ec687cc70b339b94c594ad592a01fdf
Markdown655b169e9a808346e37b75c4dd9ff5e0f5b4078999b6488dacf655d7a17bdcc7
PDF
Publication page2496069ebb6f58c04f4ebb55d3fd3caf1638f2826a107dd7c76669783db3d8ce
Manifest6c8e0f0e25accb0b945b4fd0c2250df69a1242acf4bd646e086d34ded54d400e

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
SignaturevX1Gohzk6PHq6IwcJ7pDNdQQ/peyp3Fg7DpGoN4elIlCbcH5XP8hX5tqYseCjp7WDIfMlxPBKZKy5CIkslkUBw==
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

2026-09-17T09:48:40.577952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088339
observed 2496069ebb6f58c04f4ebb55d3fd3caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.560860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088339/manifest.json
observed 6c8e0f0e25accb0b945b4fd0c2250df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.542058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088339/publication.md
observed 655b169e9a808346e37b75c4dd9ff5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.524075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088339/publication.txt
observed d124cfb77499f31b40ffdbd8751b8925...
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.