OpenTechnical

OT-2026-000017084

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000017084) never changes.

Identity and time

Publication numberOT-2026-000017084 · never reused
Internal UUID01a0ae6e-591b-7569-a80d-b1096f956577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017084
StatusPUBLIC

Content hashes

Canonical textacbbc6f23116209558eb461a9c1115e275c877918d2f36b6ba8f1bb6cbdcfb26
Markdown6cf96c1f81313f2893e60f0a1df0d35c2a5ece2f94d23feed0de99be235fe517
PDF
Publication page1998f691aa07cdf4d05dfb8dd46e130147cd3b8a0f35c8c8efd6d9e41802771a
Manifestecc6e9f663f63d00d90a54b5ba92cbee4ab850dc995b95b36db2c3e226860d91

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
SignatureNkDvADMXeOSvv7sKHYgbvcdZrY13KZsIxpwIpipF5NmwRLwncRWlQqQgYJ65cOkxivOxcGo/ebpUscGR+HUzBA==
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

2026-09-17T12:03:30.311116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017084
observed 1998f691aa07cdf4d05dfb8dd46e1301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.294116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017084/manifest.json
observed ecc6e9f663f63d00d90a54b5ba92cbee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.277947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017084/publication.md
observed 6cf96c1f81313f2893e60f0a1df0d35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.259205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017084/publication.txt
observed acbbc6f23116209558eb461a9c1115e2...
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.