OpenTechnical

OT-2026-000061997

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000061997) never changes.

Identity and time

Publication numberOT-2026-000061997 · never reused
Internal UUID01a0ae8b-b8ae-75c9-93f7-5b849d2643b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061997
StatusPUBLIC

Content hashes

Canonical textc5e5c8714e2ddee4807945fb5bc440f72d8583d2eab673fb9c02a05a53fbf624
Markdown3207a1ff94851754a53211349ad6e10ae463835e0d00def6110bce52eb608a6e
PDF
Publication page495582087e3d70c994c9b4f50833c77835949da2affdb2f8963968a2b52b18d7
Manifestd30b4633dec196d24b8bcbf123d87dffd298532be6f7bac25ab413235e15c28f

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
Signaturet0/BhoxHS8iAZWHwqk3c5s+rnRwnapT8SxuppfENswMjWj87Kne8gutdHr7hjUCKbEc3yyF1iraFuxVHqOmEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:55.801187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061997
observed 495582087e3d70c994c9b4f50833c778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.780028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061997/manifest.json
observed d30b4633dec196d24b8bcbf123d87dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.759749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061997/publication.md
observed 3207a1ff94851754a53211349ad6e10a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.739068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061997/publication.txt
observed c5e5c8714e2ddee4807945fb5bc440f7...
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.