OpenTechnical

OT-2026-000017293

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000017293) never changes.

Identity and time

Publication numberOT-2026-000017293 · never reused
Internal UUID01a0ae6e-76c8-7c13-901e-3d8a38dbd726 · 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-2026-000017293
StatusPUBLIC

Content hashes

Canonical text86231baed4795dad5f66a67c09a9594ea87b3f4007016ffcc805cbe08ac69f40
Markdownc6a0d82e954e8615d740a7299c2dbf606394754783bd5a08e13fa4d7a07070b0
PDF
Publication page81c5f731f94c07fc729f0d9400cce71e579fcc1dde2634552e0cb565ed9b8a4e
Manifest262d82d49b3656e51e76174ea1a3b0365e2890d6dcd00a8fcc150a322aece036

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
SignatureCaGN0PD6UAYf/SxR7AS1n0RCerg5zLAX4tDo2b/gybO42SmEx8PZd+nRCCAHgeHsssHJv859sbdERdNBxJmwAA==
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

2026-09-17T12:02:23.527520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017293
observed 81c5f731f94c07fc729f0d9400cce71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.508575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017293/manifest.json
observed 262d82d49b3656e51e76174ea1a3b036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.491497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017293/publication.md
observed c6a0d82e954e8615d740a7299c2dbf60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.473738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017293/publication.txt
observed 86231baed4795dad5f66a67c09a9594e...
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.