OpenTechnical

OT-2026-000027700

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000027700) never changes.

Identity and time

Publication numberOT-2026-000027700 · never reused
Internal UUID01a0ae72-699a-7961-827b-e0eebe979000 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027700
StatusPUBLIC

Content hashes

Canonical texta0aacb4e4e1769905a0c2c015d01cb330e8e9c46bf29d74c87c2c5b8e29a58d2
Markdown5ef9b5f19d87e625d9ff788f4a9237a8502a8e70214e47a61786d47a6897d195
PDF
Publication page649476005b1d6e27e81f6cbbd103ab1f3328b794b334df6c2811601236a44619
Manifest00d13bdba8915c8147bb0bb166e4d491c237dad30e0e429289ad56b72f7301aa

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
Signature2ZwP70ZAsjz7u0m7Sv1dHx1GjGOZpaZwPVuBpPwcH/kiHR05WLq71MVXtXuKDhLivY/K+oNxoWVy3+I6+IvaAQ==
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

2026-09-17T11:43:14.953563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027700
observed 649476005b1d6e27e81f6cbbd103ab1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.936047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027700/manifest.json
observed 00d13bdba8915c8147bb0bb166e4d491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.918428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027700/publication.md
observed 5ef9b5f19d87e625d9ff788f4a9237a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.899179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027700/publication.txt
observed a0aacb4e4e1769905a0c2c015d01cb33...
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.