OpenTechnical

OT-2026-000019036

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000019036) never changes.

Identity and time

Publication numberOT-2026-000019036 · never reused
Internal UUID01a0ae6e-d523-783a-973b-d52789acec74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019036
StatusPUBLIC

Content hashes

Canonical textae500a7ad44c145e0fcbf7722ec87870dcb24cca97c5e185cd092a72e263273a
Markdownee68850ad31020f498c633b47337acdaece270be71c5677f0f77d42854d90ded
PDF
Publication page33ae543fd346185fe1c4e08314b81fe805070cc8f8c621f7038c88c94714bca2
Manifest667afd277aacf44022f73afe27bd894a86a6ae7da7568f51544ef6557ed8bbd6

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
Signatureq3t8l1OtvhU2BoKrZVqmxd4dOrBUAdknJ7Op7RCYyEiQLVcrFgr2C0Pv+XdkOEpfoQByBI2jnxE/Kgy6nR5iBA==
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

2026-09-17T11:59:43.623769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019036
observed 33ae543fd346185fe1c4e08314b81fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.605033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019036/manifest.json
observed 667afd277aacf44022f73afe27bd894a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.583739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019036/publication.md
observed ee68850ad31020f498c633b47337acda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.565876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019036/publication.txt
observed ae500a7ad44c145e0fcbf7722ec87870...
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.