OpenTechnical

OT-2026-000013209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000013209) never changes.

Identity and time

Publication numberOT-2026-000013209 · never reused
Internal UUID01a0ae6d-6fc8-7e3a-baf0-9c1d18f5c603 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013209
StatusPUBLIC

Content hashes

Canonical textbf045cd76da9bf923222a788916ca0e337b881f879251704520346ec44bcea64
Markdown4d7528a7cd84fde1b92c1fc9d684176ce25dfdd7da8d8d7a74465af62898b7f6
PDF
Publication pagef8a350bb02122ed82a9164bb0abd4e0a39e49398f5b25495053b35dfdecb0428
Manifest0661f37c25b68de44b3c2ba84b32ca22e335fecacfd63aae1e31abd72c3c480a

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
Signaturenzx7UwHGBPM30BQHwCkj81epjxhQbdznGxUuAGsDCPGFk/CidSNPVL+/Uiijt38kTQe1ZPH/Gpy1pKKgr9GMBQ==
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

2026-09-17T12:09:35.820142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013209
observed f8a350bb02122ed82a9164bb0abd4e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.797704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013209/manifest.json
observed 0661f37c25b68de44b3c2ba84b32ca22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.776549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013209/publication.md
observed 4d7528a7cd84fde1b92c1fc9d684176c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.756027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013209/publication.txt
observed bf045cd76da9bf923222a788916ca0e3...
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.