OpenTechnical

OT-2026-000044001

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000044001) never changes.

Identity and time

Publication numberOT-2026-000044001 · never reused
Internal UUID01a0ae7b-d679-7dee-8207-7e58f69e4369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044001
StatusPUBLIC

Content hashes

Canonical text747ecab2d479488f4559092b8d186455e2d73e0f89c81e1e5b66c289dc817441
Markdown52525ad4afcf8492250b540642d89eb6c4338372859f62813bfaab47b24356c4
PDF
Publication page2680a44c10c41b022f3e5349797e8f78c5572152f83de9b8f4009e6583820fdd
Manifestc466e712a85543229a2c6e8f7c07aa83fc831787d1492c7731d4dea3667984b2

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
Signatureu+2q5vMN7hh8CyPRBxQnEFKaVt12b//5faSBacOUnMc7AXm3tdqkdBocgvOLhDtM6DHcw0UA37Vz6FBXKymMCA==
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

2026-09-17T11:12:22.633101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044001
observed 2680a44c10c41b022f3e5349797e8f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.615287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044001/manifest.json
observed c466e712a85543229a2c6e8f7c07aa83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.598057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044001/publication.md
observed 52525ad4afcf8492250b540642d89eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.579962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044001/publication.txt
observed 747ecab2d479488f4559092b8d186455...
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.