OpenTechnical

OT-2026-000100772

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100772) never changes.

Identity and time

Publication numberOT-2026-000100772 · never reused
Internal UUID01a0aea3-66f4-7966-b42a-d2f5dcb1ebad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100772
StatusPUBLIC

Content hashes

Canonical texte53b227719387658815957952f7e397c77ff5da297fb47fbabd51a40584f2c71
Markdown5fdb6940bbdc2ae6daa9548a6eb977cbe0aebc2a057f95fea2c984f2df8c6b40
PDF
Publication page5e1fc06b66b512106b140c4dd19d9dc89b1f86a00268cf8eb845a0d232713409
Manifestea63c0a1fd7416481733ea68ae5ed52c4565a7ca2b78e3dbddde4aca8ead48e8

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
Signature2AaIP4Jk4pVu1eYxxGyCalaSJme+/Qf6hw5M4sII9LBUrGYIbGPGbxjQdVhNCgf64nHSBUj61NJO3Dzx3K68Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:36.743091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100772
observed 5e1fc06b66b512106b140c4dd19d9dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.724998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100772/manifest.json
observed ea63c0a1fd7416481733ea68ae5ed52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.707071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100772/publication.md
observed 5fdb6940bbdc2ae6daa9548a6eb977cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.690508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100772/publication.txt
observed e53b227719387658815957952f7e397c...
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.