OpenTechnical

OT-2026-000079515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000079515) never changes.

Identity and time

Publication numberOT-2026-000079515 · never reused
Internal UUID01a0ae96-0b91-7903-a70d-d8273cc2dace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079515
StatusPUBLIC

Content hashes

Canonical text155ddd65a08d56c72eb6e06fb5284e6741154169cd161c987a693b67b476042e
Markdown473114fcd032721cef215b93fab5f99a2d39ec9e74c226d42156ede0a023b5c8
PDF
Publication pagea84e89d35104fc706e6c7f9169af0b94e8ef9c54584a81b9f5e26a190384a9b9
Manifest38ac6e735e7a77736c8b9fd593bb3689075730d4e1d3a16ef97e03bb9fbd9adc

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
SignaturekVtwE5i64TUlsdx79q9jKg087NcTAdcBy4Qvk1ojbYFUpt9Ow+px8RwTC8uFxe/9eMBsnqn9WSUO4HMR0yxtAg==
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

2026-09-17T10:05:09.373751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079515
observed a84e89d35104fc706e6c7f9169af0b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.354695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079515/manifest.json
observed 38ac6e735e7a77736c8b9fd593bb3689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.334090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079515/publication.md
observed 473114fcd032721cef215b93fab5f99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.311807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079515/publication.txt
observed 155ddd65a08d56c72eb6e06fb5284e67...
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.