OpenTechnical

OT-2026-000098449

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098449) never changes.

Identity and time

Publication numberOT-2026-000098449 · never reused
Internal UUID01a0aea1-e965-7b20-b7d7-91d663b93ed3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098449
StatusPUBLIC

Content hashes

Canonical text5f570eb6401a892e5a12f5daa3e2446d1ec0bf8d7a145c46c613d9a3e919b118
Markdown5ab5e63a09b2bf4e63614471642e60838b5f63cebc7d78400dd67574badbe250
PDF
Publication page0837075256cc9eb749fc1767653c08d99019950486b49eb06cdc9e5680f3b7c7
Manifest3db5264f74dffc35dbea792212a4b4a055fec179d003ce49cc63a6e719f92b85

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
Signature29UoVlAmKUHhQupQX7EBHQbvUgATYbJv7uh3kzOh9qQVU27PfQtrmtUqDQnjTdnCYEOyvljOUNLZLFn76vkWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:18.493649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098449
observed 0837075256cc9eb749fc1767653c08d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.477219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098449/manifest.json
observed 3db5264f74dffc35dbea792212a4b4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.457752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098449/publication.md
observed 5ab5e63a09b2bf4e63614471642e6083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.441018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098449/publication.txt
observed 5f570eb6401a892e5a12f5daa3e2446d...
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.