OpenTechnical

OT-2026-000025637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000025637) never changes.

Identity and time

Publication numberOT-2026-000025637 · never reused
Internal UUID01a0ae71-9bc9-74d3-bbc8-9d8fe82ea2d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025637
StatusPUBLIC

Content hashes

Canonical text49d331f9ae99e59f5e48085c7ba58f1f31005b16ee46504923438c435706e003
Markdowna7a2542dc3f874f22ae9e97537efc892ff16b006a2020b1f7f12c52142d19be8
PDF
Publication page9cf5d682035f63fe337b28c7899b13ca7070f05631203dd89d5f322232f65dbc
Manifest74aeeb99206002a98a9dd72e9f976be4e10e3f3ef55f1c23dbb13e0deff2dbcf

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
Signature63aTbInCownxCqWbISAu3t3oQBnDCZ5T/TQHP73ku5iih6VunEa3jDbnAU4M/XLvuRkezowBB3X91H2AuGQ0CA==
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

2026-09-17T11:46:50.103475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025637
observed 9cf5d682035f63fe337b28c7899b13ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.084949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025637/manifest.json
observed 74aeeb99206002a98a9dd72e9f976be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.067911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025637/publication.md
observed a7a2542dc3f874f22ae9e97537efc892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.049643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025637/publication.txt
observed 49d331f9ae99e59f5e48085c7ba58f1f...
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.