OpenTechnical

OT-2026-000077751

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000077751) never changes.

Identity and time

Publication numberOT-2026-000077751 · never reused
Internal UUID01a0ae95-2ed0-78aa-a0da-d8544d642b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077751
StatusPUBLIC

Content hashes

Canonical text82227b0e8aa3d0cddf9da9ab820929c0643e89059b52a9f18668b4d056a2ff44
Markdown557c95365b6ff35ce89840f481f11a3d005335af5323db8a718654dce2c06da2
PDF
Publication page436ac156cfa948af4bdf1234390145c709901e78cc4821ad523ca51a9941433e
Manifest99d93b956d2ff263844ec5f8f88fe2c2620f67d0b6ef446938d92911336685cb

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
SignaturefEAVhZXWrnEbopC0YIqYQFIdmRG4pxjB4BpeeO8aE5OEhKHE2JYDeqWiSB5h4NEzUPEsPU4BhVwOFnDQkHVnAg==
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

2026-09-17T10:07:20.006205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077751
observed 436ac156cfa948af4bdf1234390145c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.984968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077751/manifest.json
observed 99d93b956d2ff263844ec5f8f88fe2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.964584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077751/publication.md
observed 557c95365b6ff35ce89840f481f11a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.942815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077751/publication.txt
observed 82227b0e8aa3d0cddf9da9ab820929c0...
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.