OpenTechnical

OT-2026-000055254

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000055254) never changes.

Identity and time

Publication numberOT-2026-000055254 · never reused
Internal UUID01a0ae86-a0ff-7604-b350-399096486302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055254
StatusPUBLIC

Content hashes

Canonical text9d6e51a78de48d4aabdedcbba1f1d747800b037abfbbfdfbb13fa3dabab67683
Markdownc85a5bdd515d6a28254bd228998aeedb377d9f6cc1680f5899ff941a34e429e4
PDF
Publication page0b47a86c30a4bb1a4a81134620972000eccce22e3c7f5840e97d8d8072292fce
Manifestb04355336cbbf3906d7a849f77ddcef2ec7950d5e987809a488b467993cc2ea2

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
SignatureD71rx3vUiGobz/ymRYTblKelVbEZBhhE/b2Tubak/63H9sMSN2fQpOMJTyS+S+pSBBgqpp1CqpRXXjbO1+tKCw==
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

2026-09-17T10:51:50.511184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055254
observed 0b47a86c30a4bb1a4a81134620972000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.492612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055254/manifest.json
observed b04355336cbbf3906d7a849f77ddcef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.475189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055254/publication.md
observed c85a5bdd515d6a28254bd228998aeedb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.456936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055254/publication.txt
observed 9d6e51a78de48d4aabdedcbba1f1d747...
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.