OpenTechnical

OT-2026-000060241

Publication integrity record

Four cup vacuum gripper, four 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-2026-000060241) never changes.

Identity and time

Publication numberOT-2026-000060241 · never reused
Internal UUID01a0ae8a-5a73-7d61-9af8-455c41b499c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060241
StatusPUBLIC

Content hashes

Canonical text37012f2b9fce86f20f6238ebd0ecc2725f8f82b5ca6f5f373b3131787214d5e9
Markdowne06259ca89e0c5e96dc09db01338daaa689ac904e87932ec836d6dbb4e56e96f
PDF
Publication page7f8978b46a816420c85e98cddf8b6c8f3ec669522e75995cd90d31e6bf06e951
Manifest04739cb519d0c5922cb0add40e5896382b353cbfa9ff45d7590eea948ffe3dd2

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
SignatureCjwinvbmZXUyjr/SlWXpjyqVI/EGpZKXx2N3A6qQewB+9UnqSyUj2tHcYbVHTzerrVRpeRmd1NrySri7oBIWBw==
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

2026-09-17T10:43:55.352722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060241
observed 7f8978b46a816420c85e98cddf8b6c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.334541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060241/manifest.json
observed 04739cb519d0c5922cb0add40e589638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.315288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060241/publication.md
observed e06259ca89e0c5e96dc09db01338daaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.294312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060241/publication.txt
observed 37012f2b9fce86f20f6238ebd0ecc272...
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.