OpenTechnical

OT-2026-000047997

Publication integrity record

Single cup vacuum gripper, plant vacuum 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-2026-000047997) never changes.

Identity and time

Publication numberOT-2026-000047997 · never reused
Internal UUID01a0ae7f-c422-7d0c-8d21-8e44d829988b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047997
StatusPUBLIC

Content hashes

Canonical text0d5d8564ce2c8bd2fb9e492365b1c5546a7b4e8bf28e5d63e3bb3af5725f10ba
Markdowne0623977b6f14706e598955c100060bedb2c191f01e7fffd5d288889a40c578d
PDF
Publication page566f34d93a1ce172a4f9ea0b9af12a07a532d056fdabdf0232f465b76aeeba68
Manifest0998ebc8106073a20040aaacdbdd3b2500d132c686f9ab099c4e0b812649fc51

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
SignaturevsdXIdjGf4FXGkY217wcM8F/kjhBpsMLUtcAlH8bef/33hkFz08tQr9YJOqesDAgEzjIytNHneHzaR29vxSeAw==
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

2026-09-17T11:05:59.005162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047997
observed 566f34d93a1ce172a4f9ea0b9af12a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.987836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047997/manifest.json
observed 0998ebc8106073a20040aaacdbdd3b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.969319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047997/publication.md
observed e0623977b6f14706e598955c100060be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.950408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047997/publication.txt
observed 0d5d8564ce2c8bd2fb9e492365b1c554...
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.