OpenTechnical

OT-2026-000030027

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000030027) never changes.

Identity and time

Publication numberOT-2026-000030027 · never reused
Internal UUID01a0ae73-ac49-74fc-94c6-03c39da8925f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030027
StatusPUBLIC

Content hashes

Canonical textc9aac3db64f5aa524865fcc2f261882e8b58c92eac79e3c8e798898ba1d59c1b
Markdownc4e5773ea6eea547ea1cfe4a0257c504e6d832a9b5b45a3e2cbe35023a97c38e
PDF
Publication page10b9f6565fe48bd33fd50e94a53800e042b789d42e558b3c82188a1b20a120b7
Manifestaeea893eb52a3771b7c5f5518d0d515b16a47cc78a7abc0a6c1c205daecc6fb0

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
Signature5BMQoK60reFVSbZ9jh7czHEHL620kIP91/KOpEuHh/E+Ekm2VvrQ+ByBl1Sw8rmU1HnqtB1FThscrfkFm9KQDQ==
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

2026-09-17T11:38:45.704063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030027
observed 10b9f6565fe48bd33fd50e94a53800e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.687806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030027/manifest.json
observed aeea893eb52a3771b7c5f5518d0d515b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.672417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030027/publication.md
observed c4e5773ea6eea547ea1cfe4a0257c504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.655103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030027/publication.txt
observed c9aac3db64f5aa524865fcc2f261882e...
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.