OpenTechnical

OT-2026-000075805

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000075805) never changes.

Identity and time

Publication numberOT-2026-000075805 · never reused
Internal UUID01a0ae94-29fe-7d16-bf10-83379267b979 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075805
StatusPUBLIC

Content hashes

Canonical textaa2cc0de493c1377a2fba9da3334ac5f5c8788a5b45d1da6074deee69e3a9c64
Markdowne19a8f5068b6853672aacf1109c3df0f912bce8b2a29cca5ce6cc610da430d83
PDF
Publication page13808e7c2924194b36a1f4c1ef6971af1d360a38be56c8cb561591c167262397
Manifestac32405813402cdb9bebaa5f20a740e67975c8ef10087880b6cb608285c75e01

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
Signature2OxhUJ5yJOT+aKT8sVj9KTlCjneb6AoOuk/lWgCxmqbA0FYLr0KP0oF7M1G/MwfY4D36dGHHEpqCWN45MgdLBQ==
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

2026-09-17T10:14:18.304686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075805
observed 13808e7c2924194b36a1f4c1ef6971af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.287831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075805/manifest.json
observed ac32405813402cdb9bebaa5f20a740e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.269747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075805/publication.md
observed e19a8f5068b6853672aacf1109c3df0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.247456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075805/publication.txt
observed aa2cc0de493c1377a2fba9da3334ac5f...
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.