OpenTechnical

OT-2026-000078423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078423) never changes.

Identity and time

Publication numberOT-2026-000078423 · never reused
Internal UUID01a0ae95-7c28-70e5-b4d9-6e80c233aa2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078423
StatusPUBLIC

Content hashes

Canonical text963b1c3660b024130a717995477a30bf1209260130ba9b58bcf7eb9e0edbae35
Markdown0c2d1fb37d2cf332f0feeac39431782340d9e9e347ffb46892ac5ee22b09e060
PDF
Publication pagec2f7f09826f978020ca094b968752b4b767bac53d63295c82ef5785f6bd93b78
Manifestff405c1cc73f3d67177e9c4c54bc030b98fe0e8cd02988763905d75e5dc00617

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
SignaturejgaYryllxA/tl5HDnDR/22/7dtBntxh+nVehYjOKOV+zpPYvrm58TIbG5YBP7RBeWjGrVVA9SYGVdYesuAqeDg==
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

2026-09-17T10:06:25.036777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078423
observed c2f7f09826f978020ca094b968752b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.017201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078423/manifest.json
observed ff405c1cc73f3d67177e9c4c54bc030b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.997709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078423/publication.md
observed 0c2d1fb37d2cf332f0feeac394317823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.974305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078423/publication.txt
observed 963b1c3660b024130a717995477a30bf...
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.