OpenTechnical

OT-2026-000012447

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000012447) never changes.

Identity and time

Publication numberOT-2026-000012447 · never reused
Internal UUID01a0ae6d-39f6-7808-8cf1-62e932f9ca4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012447
StatusPUBLIC

Content hashes

Canonical textf6a923fb6207d9072a9b3ac2cbc7d118587914325875dfd6a9d75ec4ec1b5d15
Markdowneba021ca3102bb9d0f2f7b3ee12c60ecae563fc7aeb5fab489803314d6949d0f
PDF
Publication page6d7dea6a632fdb959a3b48221acff439a3b13d5d64474545dc7012a77d6ad85f
Manifest1b2d7a9e806fc22e626dcb4a9ec9c70b0fe9dfac13b601ce487858973df9b01e

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
SignatureikyoZw3cqCZ/FEbTGuSwBUk7PM3ozFaCgniIAQg2UWW3GTeqz5Ld21qQsycOY3xSNzhF7UEO48xCzZd1JkBIBQ==
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

2026-09-17T12:11:57.051329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012447
observed 6d7dea6a632fdb959a3b48221acff439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.033510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012447/manifest.json
observed 1b2d7a9e806fc22e626dcb4a9ec9c70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.013549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012447/publication.md
observed eba021ca3102bb9d0f2f7b3ee12c60ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.992822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012447/publication.txt
observed f6a923fb6207d9072a9b3ac2cbc7d118...
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.