OpenTechnical

OT-2026-000103543

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000103543) never changes.

Identity and time

Publication numberOT-2026-000103543 · never reused
Internal UUID01a0aea4-e461-7894-9d22-cff412e121ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103543
StatusPUBLIC

Content hashes

Canonical text0684d42ee65525ec04f966dee0c5b6335c436f3a69af38f0f563f1ff3ec00a19
Markdown2706f7c9c2ee95852743f5c827a8d178ff4b8e168522e5b8c22a09c6578fe8f6
PDF
Publication page41e35632b8de80ed6ee06483560fc5a886c8989421065ecacb5a324a3505e302
Manifest751f997571383960940b278a12a6876b34818903bdc299e6509d3c3c77230cc5

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
Signaturespn+PVf/qfwKFA7Q84l+KKWHgGiepa8PCWpfkAprUKVISKR9LWUgDX4dnE48du9vPwwk8nKpKTww4WOTakCuAA==
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

2026-09-17T09:22:19.171053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103543
observed 41e35632b8de80ed6ee06483560fc5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.154627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103543/manifest.json
observed 751f997571383960940b278a12a6876b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.136206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103543/publication.md
observed 2706f7c9c2ee95852743f5c827a8d178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.118965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103543/publication.txt
observed 0684d42ee65525ec04f966dee0c5b633...
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.