OpenTechnical

OT-2026-000017354

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017354) never changes.

Identity and time

Publication numberOT-2026-000017354 · never reused
Internal UUID01a0ae6e-76c9-7cfc-9fa5-1390860261ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017354
StatusPUBLIC

Content hashes

Canonical text3934bf53b9b3564900e58eee0b05569fb44caa50277109fb49435d297b587263
Markdownceed2d2ff2ba424f4a5d0da1f9967d90170dc2df1a256ca602aecb30feb14899
PDF
Publication pagefd443d75e1159a064e16032b6cc43a0a16fd06b3f915ff3d901d0079d4e8d5d2
Manifestf375a69dd3c5c96a6d50ddf1af67810af5086c16412d4287f313c7919e864859

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
SignatureAV7T++aFgdmQ12tis7ww3wHRGz9UKL2BFVpi6VbLErcyMZUmkrMKSSz6GBvxUWVCivALiuJ9X0+AiKx6NTwZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:02:28.128994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017354
observed fd443d75e1159a064e16032b6cc43a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.111837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017354/manifest.json
observed f375a69dd3c5c96a6d50ddf1af67810a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.092988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017354/publication.md
observed ceed2d2ff2ba424f4a5d0da1f9967d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.074554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017354/publication.txt
observed 3934bf53b9b3564900e58eee0b05569f...
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.