OpenTechnical

OT-2026-000077645

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000077645) never changes.

Identity and time

Publication numberOT-2026-000077645 · never reused
Internal UUID01a0ae95-2ecf-7a81-aaec-9b46fe806e53 · 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-2026-000077645
StatusPUBLIC

Content hashes

Canonical text70dc3fadb01182d8a5a5e730b4b990d472b08d0918d542becdc7ebfa09242e55
Markdown8c7b66e7e6cbdbf7fa3845243e27c0d11c85c7cbf9b805757c322b47380d005d
PDF
Publication page114bc56ac1104f1f35f8a8bf6a39446b3f05960813aaee9ea33581109e8321db
Manifest5c8186325048d9ab6a72f7151aabf7dceb3b593a69ff3290b78fbbfb1ba861e5

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
SignatureeUiBTRwa/aBQw7Bu7YX9MX6cgR3eybHahLKzsGjPXF3k6AbstWRQrpDaPWhQFtVyrIjweeuQe2CYobD6yvW7AQ==
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

2026-09-17T10:07:12.689115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077645
observed 114bc56ac1104f1f35f8a8bf6a39446b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.670923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077645/manifest.json
observed 5c8186325048d9ab6a72f7151aabf7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.651564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077645/publication.md
observed 8c7b66e7e6cbdbf7fa3845243e27c0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.633089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077645/publication.txt
observed 70dc3fadb01182d8a5a5e730b4b990d4...
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.