OpenTechnical

OT-2026-000079289

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000079289) never changes.

Identity and time

Publication numberOT-2026-000079289 · never reused
Internal UUID01a0ae96-0b90-7be3-b116-bb1e230e5168 · 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-2026-000079289
StatusPUBLIC

Content hashes

Canonical textdf0e656b6da983273ad3999af062a870f450e8caa5c89d4e9b45bcb7b02ec8de
Markdown8deccae9aa2407be9dcec6bc0634503e046860e33e614eeed1977804b94635f8
PDF
Publication page0230fdf077dc2fc6c7e00a83c6f5dd63624b42db468509166c7194ed2e38d094
Manifest2fe4e44996dfbcfa84e350f250a0a9edebb7425f59e68cc04ebc7f943689d2b0

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
SignatureWltSR9qQwcu7ipjKIJ+ClEHe5fI1KvFxnfja2kPHPEDjYv6tT8Wjj5x2W/Vx8by4hqhu4WIklGxZV2C7N8jQCw==
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

2026-09-17T10:04:53.967578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079289
observed 0230fdf077dc2fc6c7e00a83c6f5dd63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.948597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079289/manifest.json
observed 2fe4e44996dfbcfa84e350f250a0a9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.929610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079289/publication.md
observed 8deccae9aa2407be9dcec6bc0634503e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.911207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079289/publication.txt
observed df0e656b6da983273ad3999af062a870...
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.