OpenTechnical

OT-2026-000012759

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000012759) never changes.

Identity and time

Publication numberOT-2026-000012759 · never reused
Internal UUID01a0ae6d-5562-758b-a607-cdc89dc1f2bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012759
StatusPUBLIC

Content hashes

Canonical textaf51df907a6ad5beecf8a5e3d896cecdd15befd8f24dc10ea765c97ee47e6615
Markdowna5654a1196166d754a5418b2755daa9662855d109ed803d936c1eeb910f353eb
PDF
Publication page18350383ef217025ffbd972a83375490d523ef70bb9e2629e3a79be07a9e4f5e
Manifestfc5cc97c621f55d94eeb72676eb3a93f88b5756bbe4ace83f713b9b3356ae734

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
SignatureR2BSYEwGKFyvstIyeRLHCXNAOtJAWKqUYtO45H+fthwNM8eCxsnhU1RS6UMLcEZPjGbYzw3T54XZ/6/I5z/8AA==
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

2026-09-17T12:10:28.047312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012759
observed 18350383ef217025ffbd972a83375490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.024853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012759/manifest.json
observed fc5cc97c621f55d94eeb72676eb3a93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.006226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012759/publication.md
observed a5654a1196166d754a5418b2755daa96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.986790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012759/publication.txt
observed af51df907a6ad5beecf8a5e3d896cecd...
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.