OpenTechnical

OT-2026-000020151

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000020151) never changes.

Identity and time

Publication numberOT-2026-000020151 · never reused
Internal UUID01a0ae6f-4379-70ed-b35d-267ea2e6fa3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020151
StatusPUBLIC

Content hashes

Canonical text5e7cd6ef28525da1cc93dc2e8a1308e122e3204d0a8bbfb539966c63f7c4aa68
Markdown3ce5db428b5f363b60d515dec642b737f20dec9bb1127288693dd467ee303553
PDF
Publication page5f941e066467fabcc9cfbe47e571b8fabbd1838a4caec3c62ae85e705bb51cf4
Manifest580169b9d101e78597c83551288a9592d72266ce266b8431ba789adafeab5855

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
SignaturetRWnNo2uoYqsBvq0ThLNntHSiHguwRwCOUv54xCCR8f0DYD6TbEh7NPYWQspEPQpvMftSKOx9oygUZpzstHjAg==
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

2026-09-17T11:56:25.775417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020151
observed 5f941e066467fabcc9cfbe47e571b8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.754396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020151/manifest.json
observed 580169b9d101e78597c83551288a9592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.696528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020151/publication.md
observed 3ce5db428b5f363b60d515dec642b737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.640876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020151/publication.txt
observed 5e7cd6ef28525da1cc93dc2e8a1308e1...
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.