OpenTechnical

OT-2026-000043075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000043075) never changes.

Identity and time

Publication numberOT-2026-000043075 · never reused
Internal UUID01a0ae7b-3278-7a76-9736-2d36c466b996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043075
StatusPUBLIC

Content hashes

Canonical text732e424f9154bf4c6f6662fe02f05e3e2cc5e47d220c8c9acf7b616bbc21d412
Markdown26c5d956f32d954daa63c49718d06dedac37367b16461b75e7432d00c09b56a2
PDF
Publication page01590623a2f6f6b2e2e4324109a482e8e42c219a387d3e89de72cbb2c6dcdc45
Manifest0853f8eb99ec8e536d854c4025eb90e42f0339d4a9e79e1617c11fd85f449708

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
Signature9Wilx23zSIbjb4JNnBvsQxbX9qWt7ujaweOKVyHEzlbA/gxQFnvE4LYsWy72mcLf++kYIbebrm1Yn9q5B3fsCw==
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

2026-09-17T11:13:29.411724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043075
observed 01590623a2f6f6b2e2e4324109a482e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.393110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043075/manifest.json
observed 0853f8eb99ec8e536d854c4025eb90e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.375035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043075/publication.md
observed 26c5d956f32d954daa63c49718d06ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.357241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043075/publication.txt
observed 732e424f9154bf4c6f6662fe02f05e3e...
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.