OpenTechnical

OT-2026-000031315

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000031315) never changes.

Identity and time

Publication numberOT-2026-000031315 · never reused
Internal UUID01a0ae74-87ac-7e11-8597-25b8f37b7051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031315
StatusPUBLIC

Content hashes

Canonical text5ce16d03233c4e16e4cee4ad2d0009b7173ecd135bf706eadfd346fb895673e1
Markdowna156e9b9626149f990731c85c4a01248ff2fb905a8df670a91832a2c06f10104
PDF
Publication pageb8c46ad5418cfdd9646a41792b5da114d0aa81c2f01263096718aaf9de6d94cf
Manifest192ac1448789447f442fc9f0bf38a034bbb0c7334fa4b40e186fa12ea6b29755

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
SignaturetQkCdC1bx63MvhRXAy+3pO/LvgeQ+afADchEUAcpAAkGAGR9A+sPXQezzlMC8xWCDAh9DLFL7DRCwk06XU9uCw==
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

2026-09-17T11:36:00.220274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031315
observed b8c46ad5418cfdd9646a41792b5da114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.201860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031315/manifest.json
observed 192ac1448789447f442fc9f0bf38a034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.183496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031315/publication.md
observed a156e9b9626149f990731c85c4a01248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.166386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031315/publication.txt
observed 5ce16d03233c4e16e4cee4ad2d0009b7...
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.