OpenTechnical

OT-2026-000009430

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, vented 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-2026-000009430) never changes.

Identity and time

Publication numberOT-2026-000009430 · never reused
Internal UUID01a0ae6b-7562-7cc7-bbd1-f8133dd6c882 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009430
StatusPUBLIC

Content hashes

Canonical textfc61447b6ca814a1e5008bb6546d3ee9a6bf71db6c288f89bf0bd17a05ea0503
Markdownac79ef954ecba2b4d7f9d23d4a3f4a2ac74dfd69a62ec776d9f3fd8bf1e8b2f2
PDF
Publication pageb4da4bb2eb88fd640db11020ee464f142eb4efec14d34b1a1bf3de7a46747314
Manifest7b413e093484f41e09d857ac2badde0cb632645a289427bab9c29d68a01ad011

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
SignatureufAodq/uCPexkudglVqs7mE9J06koZod0jCX8qvNpqxqt9g7jItUJKQkng0lVLwX0k27+pCQFIXWbaLX9YIECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:43.178967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009430
observed b4da4bb2eb88fd640db11020ee464f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.160359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009430/manifest.json
observed 7b413e093484f41e09d857ac2badde0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.140592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009430/publication.md
observed ac79ef954ecba2b4d7f9d23d4a3f4a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.119404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009430/publication.txt
observed fc61447b6ca814a1e5008bb6546d3ee9...
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.