OpenTechnical

OT-2026-000025339

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000025339) never changes.

Identity and time

Publication numberOT-2026-000025339 · never reused
Internal UUID01a0ae71-5fa7-7d53-9278-72f792a413d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025339
StatusPUBLIC

Content hashes

Canonical textf528c4424d119a815e2749ba7af86121a8d71d79ea9c3d73ba0153f80791df48
Markdown89ba25c2ab8d72f6d19bd35ed034b66b5cc4bd083fe486346e4ad298d4f6428f
PDF
Publication page7770cb32ba595925cc33b8d9660dd3e95a07f0e76c173b8a0342ce108813fca1
Manifestd54d234244848333e4cbdbc393f05615c766951190d554898683697ae788de03

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
SignatureF7zUWaWMDpwJPri/wPzueHjvta0j5XtYRSHXrDMr3/jct6yNlcODqXa+XVI7Ml/5h9r20zVxzToSE21F0PFnDA==
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

2026-09-17T11:47:22.013789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025339
observed 7770cb32ba595925cc33b8d9660dd3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.991700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025339/manifest.json
observed d54d234244848333e4cbdbc393f05615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.973323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025339/publication.md
observed 89ba25c2ab8d72f6d19bd35ed034b66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.954690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025339/publication.txt
observed f528c4424d119a815e2749ba7af86121...
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.