OpenTechnical

OT-2026-000097111

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097111) never changes.

Identity and time

Publication numberOT-2026-000097111 · never reused
Internal UUID01a0aea1-01c9-7f4e-beca-cce7abc74850 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097111
StatusPUBLIC

Content hashes

Canonical text1967102f960157bf4a38dea4ef5031085ae2d80da486a836f69d1f05a3e235a6
Markdownfd937615b53e163b5461515a0731b55427f7ba55d485da14562901907767b0da
PDF
Publication paged2e03aee00def144b7bbe70c9fdb5ab5e367a1fd43242d691721e654849f8413
Manifestb181212ac8aa004d1f414f557b2408216bfc69983f11a26683a9260e55c098f4

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
SignaturevF4qNddw5DCVt1dr3EPJUjV6CtzhHJ0ejE4nvZkMOyIUyK8BhHRNw5wL1mxT3bCqiyA1kKap9YVJcgivkDoIAw==
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

2026-09-17T09:10:50.398784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097111
observed d2e03aee00def144b7bbe70c9fdb5ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:45.427425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097111/manifest.json
observed b181212ac8aa004d1f414f557b240821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:45.408428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097111/publication.md
observed fd937615b53e163b5461515a0731b554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:45.389480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097111/publication.txt
observed 1967102f960157bf4a38dea4ef503108...
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.