OpenTechnical

OT-2026-000037401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000037401) never changes.

Identity and time

Publication numberOT-2026-000037401 · never reused
Internal UUID01a0ae77-b8cd-7710-9938-595166932bb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037401
StatusPUBLIC

Content hashes

Canonical textcacc0c72fab034e55599f40d697cd7539c6a11b49444c3d7ac93e59cb2fd7188
Markdownb678cae732a1232aa6ac9f5821bbb4fae37654d5880c877dc238283faae86980
PDF
Publication pagecc288566e92efeb4aea97ddea98f1cd0080bf87309270dfb8252b5093cfc8b4e
Manifest5eba6c261233054f3d6d896ce1dfcaacccffa84a611ce9eb26dc30d3a0de134e

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
SignaturevLW5F2CtJfsEuNBbvmLd+EnhjrQ+ijmOE0vEy2PxFaLP8PcmxMBZFmCmZPSqeDPzF5chJdMKOJsxiZDHZIaaDA==
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

2026-09-17T11:23:49.979047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037401
observed cc288566e92efeb4aea97ddea98f1cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.960156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037401/manifest.json
observed 5eba6c261233054f3d6d896ce1dfcaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.940869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037401/publication.md
observed b678cae732a1232aa6ac9f5821bbb4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.919072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037401/publication.txt
observed cacc0c72fab034e55599f40d697cd753...
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.