OpenTechnical

OT-2026-000065992

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000065992) never changes.

Identity and time

Publication numberOT-2026-000065992 · never reused
Internal UUID01a0ae8e-8dc2-748e-9408-dc7c598d66f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065992
StatusPUBLIC

Content hashes

Canonical text1f8d44a3be0dc9f6d59a90a6a088cf7a6ecfc4c8efaaa411080a7459729184c1
Markdown849ecc2641efb1ff6edc8f8120ab2ba2ad29feeb9cc10a5459f6fdfa1deb4881
PDF
Publication page1ecf85a3d931a266b393b8197a1f43a47ae017fb5ecccf7427e58fcd52aae988
Manifest5276fbcb3e2f15ebc6c4de337537a3669e7f534899a3f510d06f305846c1336b

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
Signaturep7TPkSRMTlm5sZvppiMnFV9wJVhN402FIR5Xw2C66gEuW5EAQI/sduwxgTS/2TFt8Ud2k6CuKwmcS9xQxd2YCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:30.046798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065992
observed 1ecf85a3d931a266b393b8197a1f43a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:30.025852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065992/manifest.json
observed 5276fbcb3e2f15ebc6c4de337537a366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:30.002519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065992/publication.md
observed 849ecc2641efb1ff6edc8f8120ab2ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.980797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065992/publication.txt
observed 1f8d44a3be0dc9f6d59a90a6a088cf7a...
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.