OpenTechnical

OT-2026-000013567

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000013567) never changes.

Identity and time

Publication numberOT-2026-000013567 · never reused
Internal UUID01a0ae6d-6fcb-7498-bb37-d1bfda88a61d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013567
StatusPUBLIC

Content hashes

Canonical text722ae4641c60d963032946356628e111561742c244c47547c38bc4bfde8acd28
Markdown28465bf5404027d88e61c33422af9df7d383cbc2ac004f66f27b402e01a01c32
PDF
Publication pagedf4a1b9bf6cac70234768d09ecc68d12dae47fcecf0c2c217eb29843cf92d3bb
Manifestf6587cdebb7f23102d1e7682cf826f98afdf271f22939534eb8b5d7185347e80

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
Signatureskif+UKb5Ypfu56k2VEXHQXBb6acKUjlzRDpOS8JTIPuff2Hxb2ANz1CWttjlE05NVM/ChItOcQgOuZvsTyrCA==
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

2026-09-17T12:09:22.829550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013567
observed df4a1b9bf6cac70234768d09ecc68d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.811286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013567/manifest.json
observed f6587cdebb7f23102d1e7682cf826f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.791604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013567/publication.md
observed 28465bf5404027d88e61c33422af9df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.770173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013567/publication.txt
observed 722ae4641c60d963032946356628e111...
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.