OpenTechnical

OT-2026-000070017

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000070017) never changes.

Identity and time

Publication numberOT-2026-000070017 · never reused
Internal UUID01a0ae91-1861-749b-8a46-aa7e4add1a84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070017
StatusPUBLIC

Content hashes

Canonical texte901309b6f45808e9af07092d269bff885eb2706957301e04299a3801bd52367
Markdownddede46565902e1e4bd3d5c6235984160f212fa6988782ea143c9a95389e3f51
PDF
Publication page02d1046b31422e782877ea79d0c2749c142a841c5813ff355919a0aff57c3c96
Manifest4096ac850d2588c74fe65df3a377e10854027faca3028bea0bb3bcb825723697

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
SignatureTDC2q49S70uV1fL4GdE93pq68NoKxy6B/A0QFNHbJus7vUqBY1pO/BsPSziMyuF2dNyh203lRQrKGE2QAv49Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:58.190116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070017
observed 02d1046b31422e782877ea79d0c2749c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.172628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070017/manifest.json
observed 4096ac850d2588c74fe65df3a377e108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.153472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070017/publication.md
observed ddede46565902e1e4bd3d5c623598416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.135795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070017/publication.txt
observed e901309b6f45808e9af07092d269bff8...
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.