OpenTechnical

OT-2026-000024973

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000024973) never changes.

Identity and time

Publication numberOT-2026-000024973 · never reused
Internal UUID01a0ae71-2728-7b86-a0a0-e9980b4cd03b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024973
StatusPUBLIC

Content hashes

Canonical text7decd3bb10151c3d73bf652d604d925dbeb7d1899a43705d4469ecaf9342e058
Markdownddfc9ee665db5fb377b621c92fcaa27c5f361c209eb22583091b10d3266f0f24
PDF
Publication page4afd7bc76d32a73718fcfa4c3434f659c5b8dca49a6a880c4a7185384fae9157
Manifest98a2294890212a746c65d96c0516aaebb01c22ac237a6b9d95a9066e14b1db62

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
SignaturexZAZI+47cbBR6dSQ13cVOjS1Jn9v3Jh9zrreNdALE2yv3IOlSASPZWQzbP/cvHLAt3Z23jnC/e5cDzTDM3naBA==
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

2026-09-17T11:48:19.624212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024973
observed 4afd7bc76d32a73718fcfa4c3434f659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:19.605896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024973/manifest.json
observed 98a2294890212a746c65d96c0516aaeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:19.587760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024973/publication.md
observed ddfc9ee665db5fb377b621c92fcaa27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:19.568871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024973/publication.txt
observed 7decd3bb10151c3d73bf652d604d925d...
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.