OpenTechnical

OT-2026-000081351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000081351) never changes.

Identity and time

Publication numberOT-2026-000081351 · never reused
Internal UUID01a0ae96-f374-7569-be10-80ae1a231752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081351
StatusPUBLIC

Content hashes

Canonical textb2251710b6ad4a8e01f36079ad7d8d66603d500ed77197e02b64f270a898a4f6
Markdown5c71a80f1171c18ecc06cc803ed36fe684823bb78e5c61aa482d355da3eae341
PDF
Publication pagec15a585f2e2f28507992843d33709076154f5899c3f9934b3892c31ae7ba0119
Manifest2f0dd20e3840d335d3ad21e7acc215ae493136aa763e8fc3e53fa9ecf441d6dd

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
SignaturevmEQ2nTWUT03kFFed1I9/Yx2ZTPj+AsirXX6NNhvNIi4BYrH3bMjwWM/VfwVAjOEOmXYnnKtaNO5U2lxl6VCCQ==
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

2026-09-17T10:01:28.775618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081351
observed c15a585f2e2f28507992843d33709076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.760074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081351/manifest.json
observed 2f0dd20e3840d335d3ad21e7acc215ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.743316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081351/publication.md
observed 5c71a80f1171c18ecc06cc803ed36fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.725453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081351/publication.txt
observed b2251710b6ad4a8e01f36079ad7d8d66...
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.