OpenTechnical

OT-2026-000074299

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000074299) never changes.

Identity and time

Publication numberOT-2026-000074299 · never reused
Internal UUID01a0ae93-7178-71d2-b412-6ac9f40f147f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074299
StatusPUBLIC

Content hashes

Canonical text1a2de1969d6eaf163964f8a6ab23b996bf8d9ff373aa3fb963762518f916c2dd
Markdownaa68cbb22470b8c10472740970c1f501152e059fc52b62e953fc9f32e95f6ff3
PDF
Publication page39511c0e58f7d82a9d17a4701d1dd113b2fe1e01fb17e42a51737312e755f1fc
Manifeste0b64b2da151e41bae29df2ff2755c53b61b21501338342901ab9885dcb368cb

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
Signaturek3A09vivuy5qs5/gyn1z0x5CDN7vLxROWX5kIDWsO5Loe8vPNKYyARmwlRaev6kG0HYDLkpTDZ4CgvVwfwinCw==
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

2026-09-17T10:19:12.684876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074299
observed 39511c0e58f7d82a9d17a4701d1dd113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.668082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074299/manifest.json
observed e0b64b2da151e41bae29df2ff2755c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.650028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074299/publication.md
observed aa68cbb22470b8c10472740970c1f501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.631892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074299/publication.txt
observed 1a2de1969d6eaf163964f8a6ab23b996...
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.