OpenTechnical

OT-2026-000045795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000045795) never changes.

Identity and time

Publication numberOT-2026-000045795 · never reused
Internal UUID01a0ae7d-8f05-7b24-b559-f1059b8af0ea · 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-2026-000045795
StatusPUBLIC

Content hashes

Canonical text8d7ccbc043dcf698227860ba84fffcafc5f7f22ae0c770cfdc7f1903ffcbd62f
Markdown30dfc853e2cb793dfc34a6a5afa6e86f09e599c843447f657883302eae644a6c
PDF
Publication page43dbc2be55274c620dcaf643bf1e730b6c7ee39bafba6f41c0dcbefa75b679de
Manifest8c459f5525f479d7df199b92da3465166ef77e008cb4f3ef8d91cc3a34aaaf96

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
SignatureaIL47GlkTlD6Veq2DAMwAMNKerrxSxiZKoPYif73VVPQsGhn2yttJx3rsmTUmgLp+bK1Us3sWZ1tHbSMRnbWAw==
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

2026-09-17T11:09:39.612747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045795
observed 43dbc2be55274c620dcaf643bf1e730b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.594604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045795/manifest.json
observed 8c459f5525f479d7df199b92da346516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.576467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045795/publication.md
observed 30dfc853e2cb793dfc34a6a5afa6e86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.559441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045795/publication.txt
observed 8d7ccbc043dcf698227860ba84fffcaf...
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.