OpenTechnical

OT-2026-000077971

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077971) never changes.

Identity and time

Publication numberOT-2026-000077971 · never reused
Internal UUID01a0ae95-2ed1-78d6-8c0e-80b797b9970a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077971
StatusPUBLIC

Content hashes

Canonical text52229eba2f7f705bc53da854db023f51c227a716838cf5cd0293f1c566483e83
Markdown26d6c50744219cb3cb75bd3cfa6dea59fe637f03e640799242d7f20221d12e46
PDF
Publication page14ce6fad5a695d0f7fae2ee2d0d3a2a5bea177cb1d77372c8f34d0eb9b6bd6bb
Manifest11087afc448761ec280f3cf7c792759982a9415157a6ae8d9010816da40a8cd7

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
SignaturenLvuAhCvBz5R+YE/n3gmhidqyD4KL3HMja5xUCoXgaqDdG3rPKZr8gpiJqeXnTON8P7NX6jpz8RsubHoMucaAQ==
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

2026-09-17T10:10:22.553411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971
observed 14ce6fad5a695d0f7fae2ee2d0d3a2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.533032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971/manifest.json
observed 11087afc448761ec280f3cf7c7927599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.512105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971/publication.md
observed 26d6c50744219cb3cb75bd3cfa6dea59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.493682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971/publication.txt
observed 52229eba2f7f705bc53da854db023f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.329202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971
observed 14ce6fad5a695d0f7fae2ee2d0d3a2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.311761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971/manifest.json
observed 11087afc448761ec280f3cf7c7927599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.294323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971/publication.md
observed 26d6c50744219cb3cb75bd3cfa6dea59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.270901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077971/publication.txt
observed 52229eba2f7f705bc53da854db023f51...
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.