OpenTechnical

OT-2026-000054850

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000054850) never changes.

Identity and time

Publication numberOT-2026-000054850 · never reused
Internal UUID01a0ae86-1285-74f7-9691-70d52823df79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054850
StatusPUBLIC

Content hashes

Canonical text13447364fa678a64eeb92b768a6a3ecd0c8c6d68e55039080e396dd7342f488d
Markdown10f95156995adf230bed4fcd826439af24814d3a0d21e1d054677b1b556841f9
PDF
Publication page209846d706b2d412886e8a75d668ba3d8d1e2851457e7b6df008c01ccaf2688a
Manifest251f37a81ce9be2f57c0c2d8ef62b8d48f6f2d5fa790d0d8489e526e005423a8

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
SignatureG+Eoos1HYnhaVT4YJuPShwRwSTfJ/r7eHC2ohyWi20ZfCSvlk0MkSLt/m+2L4AK88PqCc0RlVXbM/ftjj8OmAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:03.976077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054850
observed 209846d706b2d412886e8a75d668ba3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.959244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054850/manifest.json
observed 251f37a81ce9be2f57c0c2d8ef62b8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.941380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054850/publication.md
observed 10f95156995adf230bed4fcd826439af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.922899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054850/publication.txt
observed 13447364fa678a64eeb92b768a6a3ecd...
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.