OpenTechnical

OT-2026-000045895

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000045895) never changes.

Identity and time

Publication numberOT-2026-000045895 · never reused
Internal UUID01a0ae7d-8f06-7ae2-9088-f7297917b0bb · 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-2026-000045895
StatusPUBLIC

Content hashes

Canonical textb6ef676e9b7ef1e217351324ffc8bccfd930ce3f5e6b2d9afcf459c58b7e37e5
Markdown2adb7a149d2471918366c2fa2fe05977dbd3375862d531f32850ad734fbdcd0d
PDF
Publication pagebce6cdc77196001c566542a500785a6f4918414de175c9cba1dcfc86c7ff2282
Manifest0ab800a466b8adaf6020752c34bd9d953c13369bad633c97462a2aa640c7cb61

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
SignatureJ750dBe4AeA8BBmMNXAL/vcM91nfBaEav1/WrTD/Jf/0rzb373cx7tOToYOfksUFx/TKZNPP4dV2QwS7RDiZBw==
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

2026-09-17T11:09:47.470024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045895
observed bce6cdc77196001c566542a500785a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.452038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045895/manifest.json
observed 0ab800a466b8adaf6020752c34bd9d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.433450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045895/publication.md
observed 2adb7a149d2471918366c2fa2fe05977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.412561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045895/publication.txt
observed b6ef676e9b7ef1e217351324ffc8bccf...
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.