OpenTechnical

OT-2026-000010423

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000010423) never changes.

Identity and time

Publication numberOT-2026-000010423 · never reused
Internal UUID01a0ae6c-0ee6-7ed4-92a4-c0c61cbe3712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010423
StatusPUBLIC

Content hashes

Canonical texte75f45d96e432c9bc658580b48eedca00668f6b8b12f535c2afc727c1d9c055f
Markdown642943797828919bd6c159cf0fa6d9dfd3bc445993ce9a19adf66b2697320468
PDF
Publication pagea7ac20d2c2349c34acbe1b7f7337308938341e24090b77ff8bfe741078acc0f9
Manifest790f7d7b94f06b2b1b4a5ff709f096d995659d1869e507896bdc03c6a00780b7

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
SignatureOhoPoWYb0OF7odkJHM/sGC/0cgX0feb+vK0/FUIYuPgfGfhq0ctT+cmL770FOC6NrgcVc3hEHwFFafRVDrzqDA==
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

2026-09-17T12:14:33.077897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010423
observed a7ac20d2c2349c34acbe1b7f73373089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.057139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010423/manifest.json
observed 790f7d7b94f06b2b1b4a5ff709f096d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.038018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010423/publication.md
observed 642943797828919bd6c159cf0fa6d9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.018419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010423/publication.txt
observed e75f45d96e432c9bc658580b48eedca0...
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.