OpenTechnical

OT-2026-000009429

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, vented after 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-2026-000009429) never changes.

Identity and time

Publication numberOT-2026-000009429 · never reused
Internal UUID01a0ae6b-7562-7d25-a7ed-8686d42b1f79 · 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-2026-000009429
StatusPUBLIC

Content hashes

Canonical text22560f1483ac6f4755b66c7f7a4a01c129da3dc78fee70636f163b0a792c1f50
Markdown5d563c96d98311396ba16e76148104f2888514638d16c83e5d4dee7377b6b5f4
PDF
Publication page3b6203a734c5afc440629f5164a1600895ad6f6032f03494f803dea4d6536540
Manifest170670f081f277cff81ae4c4a162877829ee266c0e85201927d68ff9021b959f

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
SignatureAe96bIPxKlX041bMBDdQ2E2vEP8PGZaD6Om98r1IhRSeJAxbohaWGvnVMfuAJjqPsNHOfYmxodsKFMqTwzg3Ag==
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

2026-09-17T12:16:43.097428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009429
observed 3b6203a734c5afc440629f5164a16008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.079605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009429/manifest.json
observed 170670f081f277cff81ae4c4a1628778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.062247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009429/publication.md
observed 5d563c96d98311396ba16e76148104f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.043832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009429/publication.txt
observed 22560f1483ac6f4755b66c7f7a4a01c1...
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.