OpenTechnical

OT-2026-000017745

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000017745) never changes.

Identity and time

Publication numberOT-2026-000017745 · never reused
Internal UUID01a0ae6e-96fa-7f13-9bee-adcf1284367d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017745
StatusPUBLIC

Content hashes

Canonical texte8d7b2b27695ce011f92512d9ec12f6b9b20c9fa38312aab73596236685b5449
Markdown1697a9ea8df285ca7630cd2167422c1f8c9744f8f93f48f4c76db4199f195f1f
PDF
Publication pagea23d793c518665cc3093bdd10f9df79c94741c5123bd501176e87dc49e7790c8
Manifest2bb5bf2da670b1cb3d5e7cf305c7ad2e7ced5e867afeef61b7d0aead0e38e83f

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
Signaturet5qmLNiI2XOo9ijQHY1/JRI86ktBp8FUGGxH/BmC7Tb/BC9397LEC4DaacZkxKdNHHXKSMqefjndO5UpmJMnCQ==
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

2026-09-17T12:01:41.927526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017745
observed a23d793c518665cc3093bdd10f9df79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.909810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017745/manifest.json
observed 2bb5bf2da670b1cb3d5e7cf305c7ad2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.893203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017745/publication.md
observed 1697a9ea8df285ca7630cd2167422c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.876126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017745/publication.txt
observed e8d7b2b27695ce011f92512d9ec12f6b...
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.