OpenTechnical

OT-2026-000081390

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000081390) never changes.

Identity and time

Publication numberOT-2026-000081390 · never reused
Internal UUID01a0ae96-f375-7ce5-9a3c-4578bfff4b4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081390
StatusPUBLIC

Content hashes

Canonical textf19ab92783deaa68ad90f1104e5e5c63026f4f4fe28b47901c721cbcf90acc6b
Markdowne881d408e7efa1fddadbe35f5d85a194846774e2204b02999416846da97a1ffd
PDF
Publication pagec46682abd2b1ebcf63563704e4cfe0af3e4e0f8d3f94025aafe016bc957b3b4c
Manifest988a8036de4492ed5b99ae4e06d5b9939fc08c520cba7c837118eb0ae5c7e83b

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
SignatureeY8nogw6PxDQxUeWA+1jMJlAYe/Dx8L9NWJ7jGiKwEVIx1QEHsIfyPZ3cWv0MwsrP/u8E3QezB5RpM4932/oAQ==
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

2026-09-17T10:01:31.926877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081390
observed c46682abd2b1ebcf63563704e4cfe0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.908255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081390/manifest.json
observed 988a8036de4492ed5b99ae4e06d5b993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.890361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081390/publication.md
observed e881d408e7efa1fddadbe35f5d85a194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.872285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081390/publication.txt
observed f19ab92783deaa68ad90f1104e5e5c63...
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.