OpenTechnical

OT-2026-000075596

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075596) never changes.

Identity and time

Publication numberOT-2026-000075596 · never reused
Internal UUID01a0ae94-29fd-7a1d-aeaa-cd3c7923e3f4 · 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-2026-000075596
StatusPUBLIC

Content hashes

Canonical textd2de3cf8efbe53170d13b4074ea151b94e07b929c4805763bafb9f305f49d031
Markdown88258ff9e33fd5b94f51796f6e4f3e50303a9b43a3ea75107b2312ec050603e5
PDF
Publication page58dc380af28f43cc3e8af8f1704786ca8a95a9438f0a580eadb1bb00a19e9690
Manifestea318db1b5c9ccd91036c56fb9e4f285d3bc810f7913b60edf36f8c549023389

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
SignatureHaE4B+O8nTHYTK41R3Mb0gB6Kq00kSRkfRSSDxBwqGslodfHKC82isT8q5BDylkWZJ8e4hcquTfsf5BNPRImBg==
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

2026-09-17T10:13:00.785228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075596
observed 58dc380af28f43cc3e8af8f1704786ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:00.766364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075596/manifest.json
observed ea318db1b5c9ccd91036c56fb9e4f285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:00.745965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075596/publication.md
observed 88258ff9e33fd5b94f51796f6e4f3e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:00.244725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075596/publication.txt
observed d2de3cf8efbe53170d13b4074ea151b9...
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.