OpenTechnical

OT-2026-000041379

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000041379) never changes.

Identity and time

Publication numberOT-2026-000041379 · never reused
Internal UUID01a0ae79-b144-7cdb-90a4-c4c3d26a863f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041379
StatusPUBLIC

Content hashes

Canonical text13d6fc9c970d3c69d2821d24fb9f0d23debef697d052453135cb551170c64778
Markdown18aaf5142774be338e98d5aef1df4cdb0f57948c745e9ef1f55593c72e0f3bd5
PDF
Publication paged73f4f64f1a595b0dc937f93de3b60f7997003bf611f8058b6e5e9d0fae3fb98
Manifest027ac89dc5bad7656aaa48187fa643273807f728b766717c99b9bd0c2f990fe4

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
SignaturerzHfF51lfWDCwJKMVPU4brSTL5Mwiwa8/TDNCBgyO57RYXRHInMd1z6E3MGu4RGBkhaNgb/cloN1HwZmHu3nBA==
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

2026-09-17T11:17:23.145188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041379
observed d73f4f64f1a595b0dc937f93de3b60f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:23.127082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041379/manifest.json
observed 027ac89dc5bad7656aaa48187fa64327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:23.109220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041379/publication.md
observed 18aaf5142774be338e98d5aef1df4cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:23.089634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041379/publication.txt
observed 13d6fc9c970d3c69d2821d24fb9f0d23...
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.