OpenTechnical

OT-2026-000047755

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000047755) never changes.

Identity and time

Publication numberOT-2026-000047755 · never reused
Internal UUID01a0ae7f-c420-7cb1-a256-d296b29c9d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047755
StatusPUBLIC

Content hashes

Canonical text46aabd0a4d1dd926fd31afbccada542a6e0bbb0211b3902a08cbab5f6a3e95ca
Markdown76d11ff0d87b54c57b24187099029024af62bc877c51ac3b26f59788f58a5b59
PDF
Publication page40b8e9e668d339d8d31c21f25ca49358a1bf8502cdb3513f42d79e39fd360d29
Manifeste399461817917618658d8dab18142ba781633e7b38edd5cb8b356be8abe01fa7

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
SignatureFD+fvq7vdLa6iua8I5oV8HbrJZ0unAAjrKh0ocC1/tCjMTtqK0YyYWIynPflVOTSQxtKz0IkpRLzSrg0a1S1Cw==
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

2026-09-17T11:05:38.488765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047755
observed 40b8e9e668d339d8d31c21f25ca49358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.465886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047755/manifest.json
observed e399461817917618658d8dab18142ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.444934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047755/publication.md
observed 76d11ff0d87b54c57b24187099029024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.425007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047755/publication.txt
observed 46aabd0a4d1dd926fd31afbccada542a...
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.