OpenTechnical

OT-2026-000055569

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000055569) never changes.

Identity and time

Publication numberOT-2026-000055569 · never reused
Internal UUID01a0ae86-a102-7788-aeaf-f7caaea58a40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055569
StatusPUBLIC

Content hashes

Canonical text02844d005da58082fdf029341c79fc5c3eedb41f2f50ff2bf1b07e0977878395
Markdownf483313369922716b89e32aa24c33050a687ebd3c28db0dede4783bfc369017a
PDF
Publication pagefca88c1e9f62760bbd8026724fd9d091cd5ac4eab14cf97b3dfa95354f62bec5
Manifest03694125403d822836e48617818d523c324eb45331542e2caeb3b706f90abd47

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
SignaturerFzIUevEY3NmRRXZpjxOko2DpiuMnnZxOPXzaowFY48QIMVyiIYyIOcNxpQRYaFVUhH/tJxUcqAtmTa2fj8PCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:48.282059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055569
observed fca88c1e9f62760bbd8026724fd9d091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.266672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055569/manifest.json
observed 03694125403d822836e48617818d523c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.250832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055569/publication.md
observed f483313369922716b89e32aa24c33050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.235486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055569/publication.txt
observed 02844d005da58082fdf029341c79fc5c...
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.