OpenTechnical

OT-2026-000073462

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073462) never changes.

Identity and time

Publication numberOT-2026-000073462 · never reused
Internal UUID01a0ae92-efb8-7593-ac4c-8a803fc30725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073462
StatusPUBLIC

Content hashes

Canonical text0b2198b3de5551de39fcfb2a3cad6dfead776da41e2b128634d68b8feec65ea7
Markdown32cdeabb3f5a4f09a59a1eb096dd3fa2156a8bbb15581e1686e316f6a1ff8cec
PDF
Publication pagebf2cab804ac08e9a2f30c07dbab2df81707ef8c2ebfd3d0ef42cd45d7e3bc428
Manifest373879bedcb479cfc8df23df6b235412281ca5f802cb847840978f198b6dc1f1

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
SignaturexrgnHhl80wq1mLfPpCjuYWMg/FcLyZeKo/uo6BpTG4eDWFYXYThxZjoqOmI250PX4y00umKDNh/fG5kd9fbcDw==
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

2026-09-17T10:21:37.662688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073462
observed bf2cab804ac08e9a2f30c07dbab2df81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.644791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073462/manifest.json
observed 373879bedcb479cfc8df23df6b235412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.625427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073462/publication.md
observed 32cdeabb3f5a4f09a59a1eb096dd3fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.607854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073462/publication.txt
observed 0b2198b3de5551de39fcfb2a3cad6dfe...
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.