OpenTechnical

OT-2026-000098378

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098378) never changes.

Identity and time

Publication numberOT-2026-000098378 · never reused
Internal UUID01a0aea1-e965-7bad-9d1f-fa5b16ea2ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098378
StatusPUBLIC

Content hashes

Canonical text99146470d57cd81a505c1ca49e68dd5ccdd7456c6a6f2e5c91a4e8ae47b4456a
Markdown1aa6ad0908b646c7504fd7a27a16411bbdcbfd2af65893c8abd8bc78d211a7a0
PDF
Publication page8812d3619f453f913f5016b67c7480e10485c93ad82c12c6298f84300c261fd9
Manifestce09ebc733b292e0fb7b0ad8cdf7d1cc7c9c5d9da1d3197d5adf9c8f6d4a93e6

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
Signature3HmqNuqCfYrHqPFA+scP2FGoIw2WuCRmG05shLF9u640UGLPuTIAagR2RwgDxYhjOXNIfhRV0SVTLBMNZwV9Dw==
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

2026-09-17T09:32:06.969919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098378
observed 8812d3619f453f913f5016b67c7480e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.951834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098378/manifest.json
observed ce09ebc733b292e0fb7b0ad8cdf7d1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.934577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098378/publication.md
observed 1aa6ad0908b646c7504fd7a27a16411b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.916965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098378/publication.txt
observed 99146470d57cd81a505c1ca49e68dd5c...
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.