OpenTechnical

OT-2026-000103561

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000103561) never changes.

Identity and time

Publication numberOT-2026-000103561 · never reused
Internal UUID01a0aea4-e461-76d1-a399-109975abd056 · 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-2026-000103561
StatusPUBLIC

Content hashes

Canonical text3f11f023ff4f228d7661f0226bba1c056097ce4306de584c37a16c808ba53bf1
Markdown11251a314c9772ab0756b65f6fd3c83854a7ca3e7ed47bd99b1563dfe4275011
PDF
Publication page7443c2147b41bd005aa9906493174631de932558c825d886eb7761c176b53f5f
Manifest7a7b7b791a6a5d6a197dbbda40612a5deddc7d88eb82a4c0dd3b67757f8b63ab

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
SignaturegFvb7QNQXU4/gkHk3/1xGdaIR8gkI8wbGm5FJ8Ff2Tk0mxTvtbF8rOhuAKEx73R75WZW5wud0rTtj0iG3bdeAw==
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

2026-09-17T09:22:20.429117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103561
observed 7443c2147b41bd005aa9906493174631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.412281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103561/manifest.json
observed 7a7b7b791a6a5d6a197dbbda40612a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.393900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103561/publication.md
observed 11251a314c9772ab0756b65f6fd3c838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.376761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103561/publication.txt
observed 3f11f023ff4f228d7661f0226bba1c05...
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.