OpenTechnical

OT-2026-000045927

Publication integrity record

Four 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-2026-000045927) never changes.

Identity and time

Publication numberOT-2026-000045927 · never reused
Internal UUID01a0ae7d-8f87-75e5-9276-d9016b8ede23 · 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-2026-000045927
StatusPUBLIC

Content hashes

Canonical text20833d2255ef5275b376cf9701b0b4c37e258e3fd6f0f352e23dcee6d7bab189
Markdown184d8b890ece79879a3d5881b951059a08066fdf6f52466bce014e98d2ce4887
PDF
Publication pagef8ea888ac9782a8ae411b4e4a3b6a8cc59128f11f4b27de4b9c9d590ac75de33
Manifestab79f50033f6fac166257611a918341cbb8cba6ae6d515cb3dc4f33d3f992a24

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
SignatureppIs17puryuUcY3dIHRJyZkh97Hmld6ZsoSvJschd2VLZz2j/+nlifvgZzsm+gGhpMYecQceCJrCts08/L+kAQ==
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

2026-09-17T11:09:50.000991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045927
observed f8ea888ac9782a8ae411b4e4a3b6a8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.983157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045927/manifest.json
observed ab79f50033f6fac166257611a918341c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.966076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045927/publication.md
observed 184d8b890ece79879a3d5881b951059a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.946817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045927/publication.txt
observed 20833d2255ef5275b376cf9701b0b4c3...
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.