OpenTechnical

OT-2026-000019339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000019339) never changes.

Identity and time

Publication numberOT-2026-000019339 · never reused
Internal UUID01a0ae6e-f392-7ce9-b552-1f636bd81dd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019339
StatusPUBLIC

Content hashes

Canonical textc7a8bb4fe775ad92fff2b5914d8de76f65682abd11a2914e58acf7342ad01de6
Markdown684e8aca69bb30037cff534a882d72131cdd04f7260ad8a828344d4852042fb8
PDF
Publication pageb23ae2faed5d9514440d2e0f93aade4d695deb499091c62d7fc4b4b8e1a26a52
Manifest2b4fb0a505bd10bc24cc85da850a88c1788d4a3b9066d741dbf0afb4eb7e5e42

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
SignatureZ2x5P766+lKrvHf44vLyqUSA1qYYUPyYwLN7zCt6dhkdWnyTZqMU5KnxXsdLCOZNrxWHy8nT6cWuL0qnpwF/Dw==
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

2026-09-17T11:58:42.592397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019339
observed b23ae2faed5d9514440d2e0f93aade4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.574108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019339/manifest.json
observed 2b4fb0a505bd10bc24cc85da850a88c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.556084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019339/publication.md
observed 684e8aca69bb30037cff534a882d7213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.537975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019339/publication.txt
observed c7a8bb4fe775ad92fff2b5914d8de76f...
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.