OpenTechnical

OT-2026-000082957

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000082957) never changes.

Identity and time

Publication numberOT-2026-000082957 · never reused
Internal UUID01a0ae97-8cca-7c63-a091-c288ceed823c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082957
StatusPUBLIC

Content hashes

Canonical text437550eb15658fa4b54eff73df97132072fcd6e0fa5f7b618a9e35843c88f8fe
Markdown72a7acfb001379b2fd0ddab81d13bcb10daa07135b76198213ddf25e4dc8b82d
PDF
Publication page78e073fef22604aa241040fac860a61d676bdfd34476dde8a6c8b831647930c4
Manifesta890b9c968a68d9ffc7f25e48527012a440ef038c3ca15eadde9fa6caea3d018

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
SignatureMSZQ3O0BpU6jgOIif8xIoLLZeqQvLj+Q5cbT7MzaDBaUFTZ2E/r5dCZo3HI4ud8pqeVFzgmr2tLNcQiuBR8pDA==
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

2026-09-17T09:58:39.348665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082957
observed 78e073fef22604aa241040fac860a61d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:39.331200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082957/manifest.json
observed a890b9c968a68d9ffc7f25e48527012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:39.312768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082957/publication.md
observed 72a7acfb001379b2fd0ddab81d13bcb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:39.295459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082957/publication.txt
observed 437550eb15658fa4b54eff73df971320...
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.