OpenTechnical

OT-2026-000095478

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095478) never changes.

Identity and time

Publication numberOT-2026-000095478 · never reused
Internal UUID01a0ae9f-8f73-7de0-928d-1db2e2c5e8e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095478
StatusPUBLIC

Content hashes

Canonical texta4e91f733f2331fd0982e1c210685caef111a7a956d0518fe960b9957b8ce3eb
Markdown9d7172c2bff9da18db21f3c43f7a9ff195532b335887b9536aec4ca710707659
PDF
Publication pageef9af634dd229b52d68b4c5f16ff05f247afbfa50e384c2cc5de543362d1af1c
Manifesta171335e5e1946b437b80a3dc4bc5875782463789b59769440de6f747cb795d2

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
Signature+hLWBtH0CSB1KgcDzIl4aqxvXIMnG1Abt0fEsm9byCkO8+VzNn/sPkya8eRc+w4SGAZIqSa4c9SK2mkSsaRYAw==
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

2026-09-17T09:36:51.226139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095478
observed ef9af634dd229b52d68b4c5f16ff05f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.208387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095478/manifest.json
observed a171335e5e1946b437b80a3dc4bc5875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.175386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095478/publication.md
observed 9d7172c2bff9da18db21f3c43f7a9ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.146401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095478/publication.txt
observed a4e91f733f2331fd0982e1c210685cae...
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.