OpenTechnical

OT-2026-000022993

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000022993) never changes.

Identity and time

Publication numberOT-2026-000022993 · never reused
Internal UUID01a0ae70-46ec-7d6e-9986-a57c55345d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022993
StatusPUBLIC

Content hashes

Canonical textfc5fe8f15df894da37714d3920eea754a03b500920c06b5310e3bad2d8b8c8a7
Markdownb8dafba944f70c571e17d8ab3b0b3edeef1c3b119f1a03fbf057115d85d957be
PDF
Publication pagea0621348ded664db959b53917a58001fb06f50b8b73b5550065ccafd33fe2f33
Manifestd1cbcb40e9c6830317b0ce70dceacfb7e8726d240867a5eb5550d5eb5bb1fe52

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
Signatureg+IWi88B24IwPFGRxdqs+FZ7KGAU8aGG+rByZi0kKjqueqY6OeEAJkxnQuKbgQCdgUHuRO7nWGHOut3TdPi7Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:35.121801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022993
observed a0621348ded664db959b53917a58001f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.105322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022993/manifest.json
observed d1cbcb40e9c6830317b0ce70dceacfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.089303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022993/publication.md
observed b8dafba944f70c571e17d8ab3b0b3ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.073399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022993/publication.txt
observed fc5fe8f15df894da37714d3920eea754...
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.