OpenTechnical

OT-2026-000045775

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045775) never changes.

Identity and time

Publication numberOT-2026-000045775 · never reused
Internal UUID01a0ae7d-8f05-7581-9386-a1ec226bd932 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045775
StatusPUBLIC

Content hashes

Canonical text7564c260dce053bf5ae31ce6409da05ee3ac5995bfeee3bc1b4ec8d387af469f
Markdown5a04ff346570849b0fdfaa7dc4d1eaf481f7cac222c8c7930ae02948f984187b
PDF
Publication page9d52ffa830000c2d4f15c691c63c43fb421e6a0e34b5c14b2976372e9cf6d373
Manifest79e6f3718301825d30cf6a4a718dfc57e82c83bbc6b783f0ce0abfde3cfb387a

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
SignaturecANBxAO49m50EfcuZWV5YCkfFUi1kryh+cP58CCBzeO83qxNJAlLKvJNDOEpTys7uQrgrXMBIkv44Gy/v/IxAA==
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

2026-09-17T11:09:38.031357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045775
observed 9d52ffa830000c2d4f15c691c63c43fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.011034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045775/manifest.json
observed 79e6f3718301825d30cf6a4a718dfc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.990490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045775/publication.md
observed 5a04ff346570849b0fdfaa7dc4d1eaf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.971378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045775/publication.txt
observed 7564c260dce053bf5ae31ce6409da05e...
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.