OpenTechnical

OT-2026-000040512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000040512) never changes.

Identity and time

Publication numberOT-2026-000040512 · never reused
Internal UUID01a0ae79-6d0d-7e64-94ce-5110e8cea7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040512
StatusPUBLIC

Content hashes

Canonical text7f2f6bab0a723e0d3207be04cc51c67015af694767f64c778939f92e98af8071
Markdownc9e80fc5b01cf53f9f20f5d38f40ef7af01ec822591e9acab0d21a6c2eb232e4
PDF
Publication page4caeb94e296bcd8d7c689498569a42864a9d8d9ce630e2db934c7cc1cbfa61de
Manifestd2ef851fad21dc5ec1eb44078000b6e6d24676ce13055f53c30d19fc4d22045f

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
SignaturenTGLlYVN+46JTkGJUTV33eqY0Yqb2buIzYhFWO3/Ro96wIiLpddRVhQlDuLceyrO9UJqQ7oTYOM3TTGdzn5WBw==
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

2026-09-17T11:17:33.597035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040512
observed 4caeb94e296bcd8d7c689498569a4286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.579855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040512/manifest.json
observed d2ef851fad21dc5ec1eb44078000b6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.559360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040512/publication.md
observed c9e80fc5b01cf53f9f20f5d38f40ef7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.542075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040512/publication.txt
observed 7f2f6bab0a723e0d3207be04cc51c670...
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.