OpenTechnical

OT-2026-000045043

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000045043) never changes.

Identity and time

Publication numberOT-2026-000045043 · never reused
Internal UUID01a0ae7c-f767-7b43-b561-f5001375e7ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045043
StatusPUBLIC

Content hashes

Canonical text5ea701c7954a7714d72081336ad5aede49354ef25a834ef05eef3a6f0bb7f745
Markdown3f0ebd8be812e3861b237d6c8bb8bec327ec8ad99b797fba4eadf5fa3613d75a
PDF
Publication paged955b61825f988d27609195381a0021553033832a15b6c0c86b08aad73a17c36
Manifest358095f309b15b51b4177e4542995cf3155bfcb6ec799d7ae8cc3b84ced1f1bb

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
Signatureyv30rSM68zxrcCz7lYaAzavTvx/vOF2NIPYM36fqeHOo9Qp8//nnn6apCObRj5kBJSfmLncS1rDn5OlxepXzBg==
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

2026-09-17T11:10:03.823955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045043
observed d955b61825f988d27609195381a00215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.804101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045043/manifest.json
observed 358095f309b15b51b4177e4542995cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.785393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045043/publication.md
observed 3f0ebd8be812e3861b237d6c8bb8bec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.766340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045043/publication.txt
observed 5ea701c7954a7714d72081336ad5aede...
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.