OpenTechnical

OT-2026-000045423

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, 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-2026-000045423) never changes.

Identity and time

Publication numberOT-2026-000045423 · never reused
Internal UUID01a0ae7c-f76c-79d3-a58a-688aeb18af29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045423
StatusPUBLIC

Content hashes

Canonical texta98790a27c11e2c27c962cb58c06dfafcfedc346e34af44f2680931319facadd
Markdown498e21b6aa276e098bf8f31085e5d6d0811b736c8f068d9ad7f12ea6f6471cd7
PDF
Publication page3fcedd198473412bd6c348ca3c2333d310f37afd32a393dca4b1f65cb96ec21c
Manifestd2641000ae4ffb51cb641d64fc13cc2121cc650fb0ac9f00d98c288a7132823a

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
SignatureaER0XPaQmEtecZRa/W/UQ3UFOsdh8LZS9BgscRuFIX3L3ufPlibpRFLyiEht0vFaPI6aN8gB1eK8TADjmaMhAA==
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

2026-09-17T11:10:43.021730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045423
observed 3fcedd198473412bd6c348ca3c2333d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.001745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045423/manifest.json
observed d2641000ae4ffb51cb641d64fc13cc21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.982785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045423/publication.md
observed 498e21b6aa276e098bf8f31085e5d6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.962680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045423/publication.txt
observed a98790a27c11e2c27c962cb58c06dfaf...
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.