OpenTechnical

OT-2026-000097521

Publication integrity record

Two bellows 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-2026-000097521) never changes.

Identity and time

Publication numberOT-2026-000097521 · never reused
Internal UUID01a0aea1-55b4-71bc-b9be-27a99ddbccce · 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-2026-000097521
StatusPUBLIC

Content hashes

Canonical text1d80aa1e1b3a8a42ccf8bae7a1d966ccd2ed7722cb83befa3d4dec18ce32058a
Markdownbe0564d5fbf48c772b5578883c26a585457dbe15eec2faa39c221ac838f1f385
PDF
Publication page70995f06cc89bd41aa7fa83152318563756a80e980f015d36010e29d06247301
Manifest262cdd86b8f01d7bd091e7e68dacd291c70e0b2cbdbd5588aea8921687a04777

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
SignatureMidj2Jug+MmBLngyG/I6460Es1R/dJjy1VoyWvdbKqBMU4FttZ+npzgIXA2rNr6l17jzeTZNSwql/3NJ8tsjAQ==
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

2026-09-17T09:33:23.646562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097521
observed 70995f06cc89bd41aa7fa83152318563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.627958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097521/manifest.json
observed 262cdd86b8f01d7bd091e7e68dacd291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.610258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097521/publication.md
observed be0564d5fbf48c772b5578883c26a585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.590862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097521/publication.txt
observed 1d80aa1e1b3a8a42ccf8bae7a1d966cc...
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.