OpenTechnical

OT-2026-000079293

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079293) never changes.

Identity and time

Publication numberOT-2026-000079293 · never reused
Internal UUID01a0ae96-0b90-70ae-9b78-8f84b9343416 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079293
StatusPUBLIC

Content hashes

Canonical text9eacb7902b34b9f15a6c22312dfb89af6136fabe20e9e0c552d260406bfe28a1
Markdownf229dde73ae6d9efe00190e161e597c309101853d9f222ef7f8cb8e18bc9fd00
PDF
Publication pagefa00b0bca81b4c17b6601898cedd3840bd0f993d2509cbdb6534741c91a7161a
Manifest00e83d6f96bf1494d03448d7fa4ccc4bdd43a0050f224244be6a1e1d87f6af49

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
SignatureEdIgBEqJSNuciE/D9ahjPeIFbipJVQ88W8Y8kO9w8DifUwQyRRs4od7aguFLgbjiTvUFEBR+67n1vfcUDAhHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:54.350238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079293
observed fa00b0bca81b4c17b6601898cedd3840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.330704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079293/manifest.json
observed 00e83d6f96bf1494d03448d7fa4ccc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.312333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079293/publication.md
observed f229dde73ae6d9efe00190e161e597c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.294207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079293/publication.txt
observed 9eacb7902b34b9f15a6c22312dfb89af...
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.