OpenTechnical

OT-2026-000097539

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000097539) never changes.

Identity and time

Publication numberOT-2026-000097539 · never reused
Internal UUID01a0aea1-55b4-7ca9-bcc6-b550a33bed8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097539
StatusPUBLIC

Content hashes

Canonical text205bfcc117b3c3c6fe238ef62032686655b27e51b1e52d4dda5b338290d11ed4
Markdown8c89a7da981870c74ec85c04a902cfed3ad93be4a8cc761f2e9937334f13a14e
PDF
Publication page494fa367f57544df75af10b788cc6ad2a55ad4696866c94a908ebb1ec950aad3
Manifest6eac58c3bc245155c14c8a2c3de0634753bf0cb0bc90a9a3a546472e47c262c1

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
SignatureQQXBMbCWZ3VI0coWxGuXGHNQR65R3eENbBSXIJ0/FN5t1T3EVmMem6AR5jHMXupewP3eeJZXtLbrwwTrXiJ1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:25.024333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097539
observed 494fa367f57544df75af10b788cc6ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.004837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097539/manifest.json
observed 6eac58c3bc245155c14c8a2c3de06347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.986372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097539/publication.md
observed 8c89a7da981870c74ec85c04a902cfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.968032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097539/publication.txt
observed 205bfcc117b3c3c6fe238ef620326866...
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.