OpenTechnical

OT-2026-000009803

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000009803) never changes.

Identity and time

Publication numberOT-2026-000009803 · never reused
Internal UUID01a0ae6b-7565-745e-9dc6-d2fc352e62ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009803
StatusPUBLIC

Content hashes

Canonical text142fe8f720a69f2aad1bd318b19628d3eb2f0ca22e0d0ecc08d33ba829e1e241
Markdown3bf1360bac336528aef5748be16b41d84d331ead8a77f38e08be5210b1b886e2
PDF
Publication page5c86225e952fd216e8fb3d0c6a50e2d0aeecc7ea2a6c5a296a4add7b6f88ad85
Manifest721b567461c62d11bab896de64ec5666fe3b83f46694fecd17887ad64587332f

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
SignatureUEj4R7PBUdt+Yln0OFq50JETYv0YxVY1HajkowHgvMav3ei/z80H2uLgemKyaG1kVxsoQBiq00i5biy6oEE4Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:19.661269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009803
observed 5c86225e952fd216e8fb3d0c6a50e2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:19.639595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009803/manifest.json
observed 721b567461c62d11bab896de64ec5666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:19.622070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009803/publication.md
observed 3bf1360bac336528aef5748be16b41d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:19.603301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009803/publication.txt
observed 142fe8f720a69f2aad1bd318b19628d3...
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.