OpenTechnical

OT-2026-000068656

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000068656) never changes.

Identity and time

Publication numberOT-2026-000068656 · never reused
Internal UUID01a0ae90-2483-7dca-9269-4e7b43946a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068656
StatusPUBLIC

Content hashes

Canonical textf1d4e38de752deab79bca441ec8d6aa6621548e58edc575eace303feeb79d1bb
Markdown4a393295dfe70819ad2eb41453421c45c3ef223652747d47ed7017478c615a1d
PDF
Publication page5f07e1aa9b5ef9da5754cb871d48bedd2d31f4f13a89b837e0758490d2c6277c
Manifestd53ea2efc494345075f54027aa4b24e12ea636409dfadd92030bb2c77d7ba19a

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
SignaturejaXuKB7F3oXSCTf80OXfPDZwVQVipm3dZoTtB0WEiEoB4TVbKejRAXRnkA/Vyz6WO6FES69G8XVG3vYwTalCCA==
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

2026-09-17T10:29:51.103601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068656
observed 5f07e1aa9b5ef9da5754cb871d48bedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.084162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068656/manifest.json
observed d53ea2efc494345075f54027aa4b24e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.066968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068656/publication.md
observed 4a393295dfe70819ad2eb41453421c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.049542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068656/publication.txt
observed f1d4e38de752deab79bca441ec8d6aa6...
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.