OpenTechnical

OT-2026-000022809

Publication integrity record

Three cup vacuum gripper, three 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-2026-000022809) never changes.

Identity and time

Publication numberOT-2026-000022809 · never reused
Internal UUID01a0ae70-46ea-78ee-88f1-4d1ba48a6c09 · 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-2026-000022809
StatusPUBLIC

Content hashes

Canonical text99f41702f34712ccceace041235f3ba097618e5da0042a27a7d0b5e8fc6aaaf7
Markdown3c24538494ac5ed57404f28bd176b41ee6af57bfdead2a208b394772e8ee5b7d
PDF
Publication pagee080108a759a6387d99c4ec1d155a2a3623579e0c3f4835dc8f9366c850d31a4
Manifestc17dc145d506336e39823486953d048fa9a0f2211e83953b7d4ad0d38e304536

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
SignaturemiZC21+lH3Wlmv7alXiqsxDrflrqlBE0wsKExvZSZN6LXk+nEbDiRyDQVKuTZSel9I/CWnA1F7V8ov+WcA07CQ==
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

2026-09-17T11:52:20.161602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022809
observed e080108a759a6387d99c4ec1d155a2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.140462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022809/manifest.json
observed c17dc145d506336e39823486953d048f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.123759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022809/publication.md
observed 3c24538494ac5ed57404f28bd176b41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.106893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022809/publication.txt
observed 99f41702f34712ccceace041235f3ba0...
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.