OpenTechnical

OT-2026-000013196

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000013196) never changes.

Identity and time

Publication numberOT-2026-000013196 · never reused
Internal UUID01a0ae6d-6fc8-7d16-a46b-d49a8da17880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013196
StatusPUBLIC

Content hashes

Canonical text080fcd4d08e3e35743ee9ef272111f57ed435eea945c0066afcc6f16e1343217
Markdown594abea6384ccbf135980e24ef343d4e8ecf5763a2f3aa325e346cf29449d377
PDF
Publication page46d5b8903e16da372c4e19c62b409fb12bdcd0af6e3bedef0e81e8cde87be013
Manifest8f36c2a455200cb191a04c3ed60a2ddd399cb2ec49e467d37a18f04cd03d3684

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
SignaturefUMMy4W0NZsm1BpoddrJT1BsbCSPCufHpnDG/Jf+DqjuNQCrlXiBwqFZVlY+AIIhgyTdLJ+0MpAOqNuYnrVQAA==
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

2026-09-17T12:09:34.787401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013196
observed 46d5b8903e16da372c4e19c62b409fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.765016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013196/manifest.json
observed 8f36c2a455200cb191a04c3ed60a2ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.745450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013196/publication.md
observed 594abea6384ccbf135980e24ef343d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.724830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013196/publication.txt
observed 080fcd4d08e3e35743ee9ef272111f57...
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.