OpenTechnical

OT-2026-000012104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000012104) never changes.

Identity and time

Publication numberOT-2026-000012104 · never reused
Internal UUID01a0ae6d-39f4-7def-9933-084b6986b198 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012104
StatusPUBLIC

Content hashes

Canonical text4fa13f6345c327d9eee294f1b71f09c0d89032a1ea2578c5dfffe75ffb448109
Markdown2363aa71e2c598f922f986a46a547ce0ff7abb4b5af44c52459e66984dd489a9
PDF
Publication page32923ec13e2c2474ea2e3cbdffd6916698e00bf01f41f58e34608fb0b6a2fb6d
Manifest2be16b018690a3311b3106b0aed049f80ff9fb1fcd4f5d9cb39a6def34687e01

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
SignatureCP/5zwYg27qLjV7n4zXDipKSqnExONIppO7GdoANP1Hb/qz134BSixDIjA8YM8qlTixaiZEFTmm9+lk6AYF8Dw==
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

2026-09-17T12:10:58.856629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012104
observed 32923ec13e2c2474ea2e3cbdffd69166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.813247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012104/manifest.json
observed 2be16b018690a3311b3106b0aed049f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.792300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012104/publication.md
observed 2363aa71e2c598f922f986a46a547ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.747852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012104/publication.txt
observed 4fa13f6345c327d9eee294f1b71f09c0...
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.