OpenTechnical

OT-2026-000021005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000021005) never changes.

Identity and time

Publication numberOT-2026-000021005 · never reused
Internal UUID01a0ae6f-65e4-7cbf-babb-6b23b38db13b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021005
StatusPUBLIC

Content hashes

Canonical text65905af996b9079fef252e5f9e28295b4b7586b66078cc8d0df8146c6c4367cf
Markdown1ef4c1002038d3c812c81824ea81d207ee49acca9bae7799bb1070cd1145a406
PDF
Publication page1f39e8117fb163ca3654e33da8fed027a4c9c300566b4768db5c1bcb844059ca
Manifest5a45276d0461820ea500e72b047d2a4122caf23fac209d1da639fa9359fbd4fb

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
Signature4oORsV1yRa3teJrgDc3LrIE9hJ+Jos+gMzprDIEEvmuk4vBkCoOKptPy+Ox0C/cA0DENeBjnw5ONLQyLtAdwDA==
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

2026-09-17T11:56:04.806254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021005
observed 1f39e8117fb163ca3654e33da8fed027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.774459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021005/manifest.json
observed 5a45276d0461820ea500e72b047d2a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.754692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021005/publication.md
observed 1ef4c1002038d3c812c81824ea81d207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.720733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021005/publication.txt
observed 65905af996b9079fef252e5f9e28295b...
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.