OpenTechnical

OT-2026-000054125

Publication integrity record

Two cup 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-2026-000054125) never changes.

Identity and time

Publication numberOT-2026-000054125 · never reused
Internal UUID01a0ae85-b3a8-7813-b432-1f4b3f4223e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054125
StatusPUBLIC

Content hashes

Canonical text565c976887af5670851d53bee3a576c99413b4315d8b05cace090e8fe1c8f1c8
Markdown7dd91028443aebc8c9b09979d23e06fa88dd6db810d4445e63f0a63c8b990f05
PDF
Publication page2c70f7e9d076b7a23f197ee28bb7262dcd1eb0fa56c09b71e49eed606bf1667d
Manifest05d6f6c451072eadcf6e3efcab8d184be38a50cbae7446d29ab563e081237807

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
SignaturecXVmd9q2Er6UfiW1qVkun2X4ghDlKaqHWQicnSchADGhys+UayT/wMS/we+jcxXfH6DmIb/NXHpd+AuJQWJCDg==
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

2026-09-17T10:54:31.887883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054125
observed 2c70f7e9d076b7a23f197ee28bb7262d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:31.868208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054125/manifest.json
observed 05d6f6c451072eadcf6e3efcab8d184b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:31.845469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054125/publication.md
observed 7dd91028443aebc8c9b09979d23e06fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:31.691069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054125/publication.txt
observed 565c976887af5670851d53bee3a576c9...
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.