OpenTechnical

OT-2026-000064415

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000064415) never changes.

Identity and time

Publication numberOT-2026-000064415 · never reused
Internal UUID01a0ae8d-a461-7ca6-b7aa-0a79e31c41de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064415
StatusPUBLIC

Content hashes

Canonical textcbba96304f3284c14601ba4703d27c305608a10746484212ed17a98e44962666
Markdown6a701b5aee06e47c2e14c82af1be4f25f12abce5c89246d98e0f1e16af8eb1e8
PDF
Publication page6392e13772f544e4e19b0b1ba8e1ca68773a3aa78c75858fc584ac7e3c0f6110
Manifestbb30d858ce0b62bd95da0ce4de8910811797b26dacb22dad483247c91049e785

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
SignatureHeN5xNKeaAmzhX6jVknEL57UQNdqmYWxLML4MhVOUfhm0J5jruNRo6darFYYw1fD1YFqH9WCpdzVr0QnAalMAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:35.702292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064415
observed 6392e13772f544e4e19b0b1ba8e1ca68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.685454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064415/manifest.json
observed bb30d858ce0b62bd95da0ce4de891081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.666489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064415/publication.md
observed 6a701b5aee06e47c2e14c82af1be4f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.646811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064415/publication.txt
observed cbba96304f3284c14601ba4703d27c30...
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.