OpenTechnical

OT-2026-000036580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000036580) never changes.

Identity and time

Publication numberOT-2026-000036580 · never reused
Internal UUID01a0ae77-46e7-773b-b6fd-6de9ae265e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036580
StatusPUBLIC

Content hashes

Canonical text7661118429d1c92a442560fefb914a8e7265f50f695ec65d933f4cf1fcad1ab1
Markdown71f3741fe7f4ab2502e2d48ee253f7eeadfa9646da625f4cedfdadd13ce17a4f
PDF
Publication page76afd3e1c0ff39b521600c233bc4e3542754262e1ca6c8dd0c9e5dc76b6fcac9
Manifestb976c872a571fabc8f859db0216aeae8ca24b0abd65b4b70dcf71c09eb3dded0

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
SignatureIPSUbCleZEptwkBG8kavayWXxCa2NM4QY4Bu7cDMzr1pP/EKPVQr4x5e4mjUUNraOTkbn6G/CDYhlMs7uGGbBg==
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

2026-09-17T11:25:48.172334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036580
observed 76afd3e1c0ff39b521600c233bc4e354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.155827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036580/manifest.json
observed b976c872a571fabc8f859db0216aeae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.138709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036580/publication.md
observed 71f3741fe7f4ab2502e2d48ee253f7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.123100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036580/publication.txt
observed 7661118429d1c92a442560fefb914a8e...
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.