OpenTechnical

OT-2026-000072219

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072219) never changes.

Identity and time

Publication numberOT-2026-000072219 · never reused
Internal UUID01a0ae92-47c2-740c-b2b3-052dc3948312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072219
StatusPUBLIC

Content hashes

Canonical text914cdb96e38a9975022b2933924c9104f4999b5464df38e080ab9dc13dd94585
Markdownd2a153bf21c686a1d796a7de481d967145f805271e2dd384bb2188c129e9c0ed
PDF
Publication page5f8cd45c4ba478d40d6a13363f6ab50124633083c6d2455c7fe4e915a31b943a
Manifest86f2f3c1964f01ccf503e56301f49d520a6a45c772c3c59ed24372b4eeaffc62

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
Signature5w1WFoOJglDYKdG5rI5VG7YtPUyNTqAV4gKhlG2Gy9yERjCb0/z0wlg6lRz2fyCChP+RuAtlLe/E+ZxWK48nAg==
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

2026-09-17T10:23:19.325821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072219
observed 5f8cd45c4ba478d40d6a13363f6ab501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.309344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072219/manifest.json
observed 86f2f3c1964f01ccf503e56301f49d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.292472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072219/publication.md
observed d2a153bf21c686a1d796a7de481d9671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.276828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072219/publication.txt
observed 914cdb96e38a9975022b2933924c9104...
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.