OpenTechnical

OT-2026-000080973

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000080973) never changes.

Identity and time

Publication numberOT-2026-000080973 · never reused
Internal UUID01a0ae96-b975-7f2d-8f74-9ce5c3bdf908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080973
StatusPUBLIC

Content hashes

Canonical text19d84860b3314b59219225541efdad0c7e7a51c828c01fcded9422d2e197548f
Markdown1d18cc4310aa9607d7493957f7cb7601d0361ee0cbbbb5619cbb9700c2295e4a
PDF
Publication pagedb5469e4319402a267c72ccedf7a0d098b45f38e3b95d8f56ff59453f301076d
Manifest24a0cae4996c65a693d786593aeecc9071d0b8d9168150cf1994dcfbef6f6a3d

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
SignaturelwB+JW7LXFhGWyMjfx4WFE8WovHv/2ZlPXLb/3J0g+6GD12fQ7l5bG6NpnBCShsGz//qq3U4hyswzzzZFHsvAw==
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

2026-09-17T10:02:15.358153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080973
observed db5469e4319402a267c72ccedf7a0d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.342243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080973/manifest.json
observed 24a0cae4996c65a693d786593aeecc90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.325389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080973/publication.md
observed 1d18cc4310aa9607d7493957f7cb7601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.308766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080973/publication.txt
observed 19d84860b3314b59219225541efdad0c...
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.