OpenTechnical

OT-2026-000100795

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100795) never changes.

Identity and time

Publication numberOT-2026-000100795 · never reused
Internal UUID01a0aea3-66f5-7e2d-80dd-0f4b51a1a323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100795
StatusPUBLIC

Content hashes

Canonical text4466154f7b79c23113c9324e63fcde4099bab64cabb298445d00d07192d1463b
Markdown0155ca4a054fc84479cb30fc0ed9c23ab72e08553e40dcaab7b3811b8342bc84
PDF
Publication page9ab85f1ce278491c0c4c4a1b80c4d2183827ec619f2d739894e5b432de0cd471
Manifest723bce597fc44fce7a7a6ed84a50663c2d9b0d0d3cd3caa18ca811255912bc1c

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
SignatureFFfP58A1E1xKsMloFpx1ZB75PTLn2DM+TdnQRgP9+UNgp1V+H12OzYZxvblga6k6yV4rI1IToEyw2Leu8pOkCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:42.515365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100795
observed 9ab85f1ce278491c0c4c4a1b80c4d218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.496766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100795/manifest.json
observed 723bce597fc44fce7a7a6ed84a50663c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.478486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100795/publication.md
observed 0155ca4a054fc84479cb30fc0ed9c23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.460478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100795/publication.txt
observed 4466154f7b79c23113c9324e63fcde40...
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.