OpenTechnical

OT-2026-000069041

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000069041) never changes.

Identity and time

Publication numberOT-2026-000069041 · never reused
Internal UUID01a0ae90-6dce-7c23-964c-bd8d5b4bc3da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069041
StatusPUBLIC

Content hashes

Canonical text2b2eb95fb67034a01adce186dd0d00714cc0a8223fac6f052cdb6da94a2f6006
Markdown1dedffcea62a0109055da24b318fc279939eee55ecd8c3ae16298993d637bf43
PDF
Publication page9823bd2f33afc892bc7709f9a2a235d811bae58fbd18f7173db41f9164c96d32
Manifest7e021ea69fa342bf572cc67aa190efe7543976ee24b2aa491aae7656b43d9681

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
Signaturex2+rPWGzdD8Eicjh5lyoS52INM7GJ+Emmp0hSpEL92yHbvBVcX+iO366k+g8XcNO5pOjH9OIWpKyNQFETv94Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:54.073893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069041
observed 9823bd2f33afc892bc7709f9a2a235d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.058394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069041/manifest.json
observed 7e021ea69fa342bf572cc67aa190efe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.039867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069041/publication.md
observed 1dedffcea62a0109055da24b318fc279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.022376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069041/publication.txt
observed 2b2eb95fb67034a01adce186dd0d0071...
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.