OpenTechnical

OT-2026-000035639

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000035639) never changes.

Identity and time

Publication numberOT-2026-000035639 · never reused
Internal UUID01a0ae76-b4c6-7e96-986f-ad7a7a6d951b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035639
StatusPUBLIC

Content hashes

Canonical textd8bab81c0edb2c3dcaee1471f756593bf67213cd14922b420a4f20b987fb0962
Markdowne47a9c74f6478b9b0f094251a4e5616d7b6e94e0e0b19282dda400c8326ffa8f
PDF
Publication page7d58ca5a523efee0b171698669ea72dbd5edeae7f347e619d0ae40215e54ae8d
Manifest44160ae6f57ab79664e56a8536dccd069818f5b9685ee4c83bc5237a1894a9a3

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
SignatureaiZPElZP+okGgacQ423R6j0ysgc/lb7hIk6zjbN+L4X11s+RqUi+8vAgXa7UYagUen1DFWGQHbckoBTvC5GJDg==
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

2026-09-17T11:27:11.313843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035639
observed 7d58ca5a523efee0b171698669ea72db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:11.292768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035639/manifest.json
observed 44160ae6f57ab79664e56a8536dccd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:11.272971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035639/publication.md
observed e47a9c74f6478b9b0f094251a4e5616d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:11.252893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035639/publication.txt
observed d8bab81c0edb2c3dcaee1471f756593b...
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.