OpenTechnical

OT-2026-000046513

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046513) never changes.

Identity and time

Publication numberOT-2026-000046513 · never reused
Internal UUID01a0ae7e-57dd-733d-94ba-702c713b04e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046513
StatusPUBLIC

Content hashes

Canonical text7ab69df286d9574781c4cddc090ddd1c16c253e32ae2fbf160849621cd296f5f
Markdown33e26a5b6f957421875d05535d5087a4ee02c913846cda3f12b9ebbf4c863145
PDF
Publication page82394b19d211e448e827661285098eb6ac6294badd9b23a599c5211d8fb67178
Manifestbc58f094ff5ab53a323820bbaaf5c7a33641c4d8540a39106ec97f542725a14c

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
SignatureD3kUAGdvK34Oj/jhzdWbd5tq/+Jopo40RqWcUPOwiGhnLbttDWP/KzB8UV96gdP+z6Z1kVIKW1rgMDxKAyyGDQ==
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

2026-09-17T11:08:33.491880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046513
observed 82394b19d211e448e827661285098eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.473995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046513/manifest.json
observed bc58f094ff5ab53a323820bbaaf5c7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.454731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046513/publication.md
observed 33e26a5b6f957421875d05535d5087a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.433561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046513/publication.txt
observed 7ab69df286d9574781c4cddc090ddd1c...
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.