OpenTechnical

OT-2026-000072623

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000072623) never changes.

Identity and time

Publication numberOT-2026-000072623 · never reused
Internal UUID01a0ae92-89d9-757f-8116-8267b0a1392b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072623
StatusPUBLIC

Content hashes

Canonical text9c038b1139a5db8152ea3129d0fc431978d00d19bf2e7b9a3ba0100def7cc7da
Markdown8fb6ae0edd70d5582710e6f005d9282153a7fe6f3c646a7e0f43a2b6bf2ef8a3
PDF
Publication page6017f0bd0bb7c7a38034c70cdb5ac6c0fd86ab9edbc1989ecac2396aba5ea341
Manifest095ad88bbe0885730effa5b397a1b0d5477986c8d99fa165f0b6609019a8cff0

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
Signature8PumAZGU+uukUeiVytjMd0woVYVLMzeqH3V1AV6qCJlpA8/fxWmfdGAybuyakY3EQqGqlBrSMVZ4EwvatQGvAA==
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

2026-09-17T10:22:28.786252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072623
observed 6017f0bd0bb7c7a38034c70cdb5ac6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.768035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072623/manifest.json
observed 095ad88bbe0885730effa5b397a1b0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.747731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072623/publication.md
observed 8fb6ae0edd70d5582710e6f005d92821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.728257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072623/publication.txt
observed 9c038b1139a5db8152ea3129d0fc4319...
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.