OpenTechnical

OT-2026-000045627

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000045627) never changes.

Identity and time

Publication numberOT-2026-000045627 · never reused
Internal UUID01a0ae7d-8f03-77da-9455-fbad537b90ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045627
StatusPUBLIC

Content hashes

Canonical texta59987462338c6eaee013bb63c62df6023890c8ae4a06ded6cad480952fd5998
Markdown118a957688237569a60436f71a309504aaaa544cfd5d17c846c70addac896924
PDF
Publication page48c3eb8453e163cf56378f555414d8443f56be4c71ce61d3b9095717deac65da
Manifest6ad8fa73a5589c587977f6f8267c4ca181866ec414d40bc165f7253cd1d6950e

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
SignatureRYt2C1M6sgM3oFDd4b4omEGsOseJQ5jCp7ZntA9mhLtwJCqNxAODrcgPPCv/Y5FnPK3NYM+LckkruW3g+fo5Dg==
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

2026-09-17T11:09:24.538450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045627
observed 48c3eb8453e163cf56378f555414d844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.519158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045627/manifest.json
observed 6ad8fa73a5589c587977f6f8267c4ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.501423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045627/publication.md
observed 118a957688237569a60436f71a309504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.482540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045627/publication.txt
observed a59987462338c6eaee013bb63c62df60...
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.