OpenTechnical

OT-2026-000025343

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000025343) never changes.

Identity and time

Publication numberOT-2026-000025343 · never reused
Internal UUID01a0ae71-5fa7-7f33-8061-93c80b729294 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025343
StatusPUBLIC

Content hashes

Canonical text0d468af194f52f35d5ebdb2e84612dd96e3ea610d2d2ebf5190ab78a4fb4e72d
Markdown42ba803f4dcb863caf72ce64b17d11903408e14d3ea9421dcd71e2a5d3774358
PDF
Publication page30fe2a5ddbdb9687a688f945c93712c7c267dc3b85b95d30d42d3775cd460ef3
Manifestab839ed7e96c86e18bc037ecc47edf09d9b09665445496839c19d2dcd142bb95

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
Signaturey5oGcooYdOd5nyi3NJDDJFcH163/jxtbOihCZ6eMNHt9SNqmsNqZFiuci11TidjVfBhsinzRy9uRVew4rqCADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:22.341643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025343
observed 30fe2a5ddbdb9687a688f945c93712c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.320584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025343/manifest.json
observed ab839ed7e96c86e18bc037ecc47edf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.302259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025343/publication.md
observed 42ba803f4dcb863caf72ce64b17d1190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.284079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025343/publication.txt
observed 0d468af194f52f35d5ebdb2e84612dd9...
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.