OpenTechnical

OT-2026-000079879

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000079879) never changes.

Identity and time

Publication numberOT-2026-000079879 · never reused
Internal UUID01a0ae96-4376-7b33-b0af-07d3983d88ce · 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-2026-000079879
StatusPUBLIC

Content hashes

Canonical text66a9185d815684a1fe1db97e580060c6e24c4b402746423222b5beaeac531447
Markdownff8391e10ece169b418237638fcb7e7346b85ff4409cd07886025f0a7e5c86a1
PDF
Publication pagecd172d58296b058cb51ebd14a088d5ec05fdf7430e88f7840291a8bedf1a29e4
Manifesteef96631b9d09d19d8faec4e17eee606634a3a724ca87c65283bc5ede462a321

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
SignatureCxMBmf6pllQGKru0KQ4IpOIMGeoaU2JQFRTtQj0SuahMJ6k2HIhJ8Q/KSGm/e2QsrmdwXGM/f25t5qTW3h3vCQ==
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

2026-09-17T10:03:46.192519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079879
observed cd172d58296b058cb51ebd14a088d5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.173132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079879/manifest.json
observed eef96631b9d09d19d8faec4e17eee606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.156005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079879/publication.md
observed ff8391e10ece169b418237638fcb7e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.138887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079879/publication.txt
observed 66a9185d815684a1fe1db97e580060c6...
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.