OpenTechnical

OT-2026-000045923

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000045923) never changes.

Identity and time

Publication numberOT-2026-000045923 · never reused
Internal UUID01a0ae7d-8f87-7694-ab5e-4f7e83f9b1e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045923
StatusPUBLIC

Content hashes

Canonical text9bd15a343171a1988724256170683254f3e79b6facc725bc3b1fa4ee545d9aa5
Markdown39e72fb5318a9c4a32bf3c596a3a978889204f512f78b257e18bc0dd1300f46c
PDF
Publication paged48d8a4fe3b08d5efe4301666dc8b31c0ebe7153a32c706910ad9372c1ea95b9
Manifest9bbd0c0438cbedde54dc2042f227855780dd3f9bfbda9551f571320c6118eca9

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
Signaturen97cKwhnRCrxuNazMOj2L71Lj9wTdHQmXVYSpvamy3BCDxdiuN45C/E+T+9xGKo/byqDZkJmPbABXs09ZcPZCA==
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

2026-09-17T11:09:49.695345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045923
observed d48d8a4fe3b08d5efe4301666dc8b31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.677394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045923/manifest.json
observed 9bbd0c0438cbedde54dc2042f2278557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.658831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045923/publication.md
observed 39e72fb5318a9c4a32bf3c596a3a9788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.641245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045923/publication.txt
observed 9bd15a343171a1988724256170683254...
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.