OpenTechnical

OT-2026-000071479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000071479) never changes.

Identity and time

Publication numberOT-2026-000071479 · never reused
Internal UUID01a0ae91-e0ed-7da5-8768-c797021ba9c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071479
StatusPUBLIC

Content hashes

Canonical text39e3defee2f5372ba908ccb72fbaba408f5d21a9b86dcf4a3b596d1ee5a097a5
Markdown931d917ca0f65dc68f79eb8fbd8ed46a25391ff10592aaebb47efbd506b52d61
PDF
Publication page0bbf126171d7f309c98d8df9393a4f9b1f788feb52a363d5d67ba23f26b4423e
Manifest60b8c8e10477147166a36ec6916514e822a12a074a56fedb307a911a77d33e65

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
SignatureJ1mn/eOBCKX9OBSWmfxYkjSAoFzn/DX5ADmLIUd9DH46cgToi7NiavZ3Bxd8Os1hR8otfylmrkZ0HKDQlfoYDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:07.233289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071479
observed 0bbf126171d7f309c98d8df9393a4f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.215232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071479/manifest.json
observed 60b8c8e10477147166a36ec6916514e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.195474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071479/publication.md
observed 931d917ca0f65dc68f79eb8fbd8ed46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.172028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071479/publication.txt
observed 39e3defee2f5372ba908ccb72fbaba40...
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.