OpenTechnical

OT-2026-000040129

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040129) never changes.

Identity and time

Publication numberOT-2026-000040129 · never reused
Internal UUID01a0ae79-26fe-72bc-9fbc-4d14c6d489d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040129
StatusPUBLIC

Content hashes

Canonical text04fdfacddc27ea5fd00066fb1d2f6b62c9efd77e32c49f111c5ce1c0fb5d84f0
Markdownd25c52f07ec3645aedf2f78f3fbd13634f2f895b6b2f4fa3c1d4715bf565aad5
PDF
Publication page2314280e62756f1383796915122488a9a423d07d7cfc99e838675f66c1eda39d
Manifest74169e4ecbe6715f8f1b5cd3b718728cdc510c37b2820c6ae498fb3a5b60547b

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
SignatureUD+ZZb9kYgyOQbWmYHHp/lJjss1dTq6tH/3UQPqVIf2z9RRiK8KlFKNcGmQNr15rGXIBp1t2nYy1HyCShcKPAw==
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

2026-09-17T11:18:59.902623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040129
observed 2314280e62756f1383796915122488a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.886252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040129/manifest.json
observed 74169e4ecbe6715f8f1b5cd3b718728c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.870817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040129/publication.md
observed d25c52f07ec3645aedf2f78f3fbd1363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.854766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040129/publication.txt
observed 04fdfacddc27ea5fd00066fb1d2f6b62...
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.