OpenTechnical

OT-2026-000012942

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000012942) never changes.

Identity and time

Publication numberOT-2026-000012942 · never reused
Internal UUID01a0ae6d-5564-77c1-b189-bdd4a268ecd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012942
StatusPUBLIC

Content hashes

Canonical text843d06e5e21e7f3d516ec16b6984169cc4a0406f328c6acafc4f5855fc986ba1
Markdown3b6f03b1c9a269f3510dc78806efe5d69de7b63cab6b114e9e48e9cd75d9019e
PDF
Publication page90fcc0d69d5d3f028aaa0f539ee0da02656274dd35997a9b8d8199128e975a62
Manifest0c8dbb919780dd4d9c302709104d188d2edc08fe14b2ec324ea706ab88620505

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
SignatureWFGAN+cSC6CsQEY0CSKvm4cHt0ppbvp95B7Bt0J+1JzNALC8Gx0BwQDwxekNXHe33OSsvCt11FRMdSXzTHb6Aw==
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

2026-09-17T12:10:44.755554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012942
observed 90fcc0d69d5d3f028aaa0f539ee0da02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:44.737738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012942/manifest.json
observed 0c8dbb919780dd4d9c302709104d188d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:44.718614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012942/publication.md
observed 3b6f03b1c9a269f3510dc78806efe5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:44.698100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012942/publication.txt
observed 843d06e5e21e7f3d516ec16b6984169c...
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.