OpenTechnical

OT-2026-000009613

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000009613) never changes.

Identity and time

Publication numberOT-2026-000009613 · never reused
Internal UUID01a0ae6b-7563-72d2-998d-c44c9b95e319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009613
StatusPUBLIC

Content hashes

Canonical text961c6cd2f74099cd73e8905b9c0af15ebef1afa95e3ed05a8faa08f1cb132336
Markdownc8535180fdd115d40769c6bdcae7ca5c0869d0888743a3a7feaa8f3e8ca4144b
PDF
Publication page692d93ae91120adc3d1d7a3b85d9dfb9efdec8271688de431b42d661d8d3b5ad
Manifest068d0c893ffe3c9daefe2223796b4a67bd7ed33cbf41be581752733f78d556f2

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
SignatureoiFawW7HUgW1ZsQU4MNba8trczRq1/RddCqTTTT3UIpbONbTGcbhbHrEwi7NjQ1z1W96zIWoumDsXT5NiiyaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:03.817914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009613
observed 692d93ae91120adc3d1d7a3b85d9dfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:03.797251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009613/manifest.json
observed 068d0c893ffe3c9daefe2223796b4a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:03.775652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009613/publication.md
observed c8535180fdd115d40769c6bdcae7ca5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:03.753738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009613/publication.txt
observed 961c6cd2f74099cd73e8905b9c0af15e...
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.