OpenTechnical

OT-2026-000079452

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079452) never changes.

Identity and time

Publication numberOT-2026-000079452 · never reused
Internal UUID01a0ae96-0b91-7f8e-9345-02b2027c5775 · 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-2026-000079452
StatusPUBLIC

Content hashes

Canonical text35fc0d8f25881a5534cdef667031914556d428077a8c8ae1fa0bceffb981b9e3
Markdown2046391141b6f23558c9b781b00736cdeb64f1f8d89d30884f506740f4eac615
PDF
Publication page5d2749b2099cbdad40ed952b25255729e1b8cc8dbbb78cd09588204787e76e3e
Manifest59f26f8aacd75b77ab02fe197f2afc466ad4309500257c3587376586887ff718

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
SignatureT+k8KZrgQn9hwc1GtbOZpruqjGzBQufFHHH2f2WJZQLSvBtudp6z6CwCa40AOYU6N8rgWWibRyYtg62qnz4ZBQ==
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

2026-09-17T10:05:04.678166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079452
observed 5d2749b2099cbdad40ed952b25255729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.661635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079452/manifest.json
observed 59f26f8aacd75b77ab02fe197f2afc46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.641626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079452/publication.md
observed 2046391141b6f23558c9b781b00736cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.622076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079452/publication.txt
observed 35fc0d8f25881a5534cdef6670319145...
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.