OpenTechnical

OT-2026-000079841

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000079841) never changes.

Identity and time

Publication numberOT-2026-000079841 · never reused
Internal UUID01a0ae96-4376-746c-8698-a331a4aff44f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079841
StatusPUBLIC

Content hashes

Canonical text863fde7a44fe17054bd11acc10360ec1b6494464270d8c63bcf133b47eefcf76
Markdown671a66050f916b94766f7bd00f3a594bcc98397f535635361c270a13327c8845
PDF
Publication pagec210c765d3565818b70677df44e6e1583387b0bc5f281474fd8a1f2d2e98f1a6
Manifestfefbeb377c7d7918b60205fb3af2aac1ebcefaf6a099472e995abe2d02ea1495

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
SignatureotrOorW8QyYy1+d4KC5A+4ww1xRjB7f3tHqrBlA1xlA0Ne9KXEuv1IgY023jgv1g80dx4nqlbiiXS0RlOzdhAg==
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

2026-09-17T10:03:43.603882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079841
observed c210c765d3565818b70677df44e6e158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.585593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079841/manifest.json
observed fefbeb377c7d7918b60205fb3af2aac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.569042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079841/publication.md
observed 671a66050f916b94766f7bd00f3a594b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.549429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079841/publication.txt
observed 863fde7a44fe17054bd11acc10360ec1...
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.