OpenTechnical

OT-2026-000045275

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000045275) never changes.

Identity and time

Publication numberOT-2026-000045275 · never reused
Internal UUID01a0ae7c-f76a-726a-be32-fca0908b8631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045275
StatusPUBLIC

Content hashes

Canonical text06ab655e5af5ec84c0100a84a338f555a1e30b820cb9b9c887ccd4fd96ef2aa3
Markdownd47500016f80ab325416d79216e6d7c28ae43ecb0c4bf0854119a7669bd87f5e
PDF
Publication page8018be1c0042e265a067cfc2b891b16b38aad86fdca9bdda075e1ea3396fbe74
Manifesta6c766e296119881db782eee83eb8a58840d62a34ef611046fda3faed44b24e7

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
Signaturene9tCBB4WC+ThTHm5cQiqQJ8F+nB/nI7V9citO3kGqnC045nw52Sxm+MrhaCwM+XsJ4KPBJBJk9kDlRXNlX7DA==
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

2026-09-17T11:10:29.268268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045275
observed 8018be1c0042e265a067cfc2b891b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.248826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045275/manifest.json
observed a6c766e296119881db782eee83eb8a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.229515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045275/publication.md
observed d47500016f80ab325416d79216e6d7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.187684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045275/publication.txt
observed 06ab655e5af5ec84c0100a84a338f555...
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.