OpenTechnical

OT-2026-000102569

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102569) never changes.

Identity and time

Publication numberOT-2026-000102569 · never reused
Internal UUID01a0aea4-858a-72b2-8928-1c72f3c81acf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102569
StatusPUBLIC

Content hashes

Canonical text6a707ef6979a7884d85a35de7b34d7d32ad2fef70ac64cb73f72adbc0724c00b
Markdown470975c719c6f40b1830d5f1b8e47419b38ebf54a8d476d8a2ec72e9f7841d4e
PDF
Publication page9c8be6ef25f8d39ddc8425c4dfc50a687ea879a4f6abfa8d34e1c9c3871f0d99
Manifest07cca7f0e31a17d4169aa72e5b5d271dd5b933ef42d65e1444461f04f7d36d12

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
SignaturezolK2iRSrUOjpKCh6f9O63ub08bEeGpMe7wQwwuGuS8M9Leyy5wauU/OEo6eFIP1Va1PUj/QsA2oJi3brMuuCw==
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

2026-09-17T09:23:38.484705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102569
observed 9c8be6ef25f8d39ddc8425c4dfc50a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:38.467433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102569/manifest.json
observed 07cca7f0e31a17d4169aa72e5b5d271d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:38.448571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102569/publication.md
observed 470975c719c6f40b1830d5f1b8e47419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:38.412531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102569/publication.txt
observed 6a707ef6979a7884d85a35de7b34d7d3...
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.