OpenTechnical

OT-2026-000017092

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000017092) never changes.

Identity and time

Publication numberOT-2026-000017092 · never reused
Internal UUID01a0ae6e-591b-728e-a00c-4506294cf506 · 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-2026-000017092
StatusPUBLIC

Content hashes

Canonical textab31722ee53ae0de0470d5738a4661cd06fbd9cafaf5fd5a165f38c678e0386d
Markdownc119d118a77c481350205ff0c7e2739c03d55d4df288bab3b0419df60239cb77
PDF
Publication page0f7e73f1ac051423a50fe38d3c711b47422f75d778c418acddd5041fc391034d
Manifest95f8b8109b221dae7116ee5a337c70bc6bdcf9ac4774b7c097cdde18be175136

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
SignaturenVcZ6tOIGABZVhQoqPvAUcV1Y3jNszE1hRLbHdb875RpjduEk+QlEo5zQhNk9E761yM+nCEtvP18Q4StU9ieAg==
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

2026-09-17T12:03:30.893026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017092
observed 0f7e73f1ac051423a50fe38d3c711b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.875344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017092/manifest.json
observed 95f8b8109b221dae7116ee5a337c70bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.857560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017092/publication.md
observed c119d118a77c481350205ff0c7e2739c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:30.839304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017092/publication.txt
observed ab31722ee53ae0de0470d5738a4661cd...
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.