OpenTechnical

OT-2026-000044474

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044474) never changes.

Identity and time

Publication numberOT-2026-000044474 · never reused
Internal UUID01a0ae7c-39d8-77fd-a1f6-9df9af443a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044474
StatusPUBLIC

Content hashes

Canonical texteed0bbd80e1a665e6cf50db457da44e555a3258230fc77480737479e796065bd
Markdown540ca5f0e9b2c105dc5bc129f047f4251edf0bcaf0f0eb38da60de2b5bc9a2ad
PDF
Publication page7c9a72088507732861227a61bbb44c430aa08004073ef66083dff7f0bf759f7d
Manifest22c0ec7033f4b84b7d952c1851ded54ed0eee47411ccf58ec8d9fd80a37a2c25

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
SignatureFLVETL8fupyQcJR3RFpSk00sTPIv7CPVak646K7Z9LVYf+5L9m1le/pMMsAQDaZHoTbyPXQdr7DKt6daI0c8CQ==
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

2026-09-17T08:30:53.800436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044474
observed 7c9a72088507732861227a61bbb44c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.782971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044474/manifest.json
observed 22c0ec7033f4b84b7d952c1851ded54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.763429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044474/publication.md
observed 540ca5f0e9b2c105dc5bc129f047f425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.743124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044474/publication.txt
observed eed0bbd80e1a665e6cf50db457da44e5...
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.