OpenTechnical

OT-2026-000024197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000024197) never changes.

Identity and time

Publication numberOT-2026-000024197 · never reused
Internal UUID01a0ae70-e8c8-7cc7-a8dc-a2adc818cf68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024197
StatusPUBLIC

Content hashes

Canonical text549b46e992fd6120387e358624d9de184efe850c80d53f01d6e638609893bafa
Markdown10615efe5fd8f019e99275fe143402a9cdb0d2c17da4a25c9448d84663e19798
PDF
Publication page2905c99ebfcf88f1b1dfdd3714ef5589bce31a9d7041fd9a6cc58a8f4bef9829
Manifestab3243dd3746bfebc003810bf6125b4b0b4c6bd6889bee8b73568c1ef24ea201

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
SignatureGU1WKqQE8nPgjebOoDY6PCiM909COPH5CPJkIKN8Eh4EwVORDxDZxGhs/vl0Hrj6GzBfnGOxXwKJq7S1qvyPDg==
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

2026-09-17T11:48:39.441537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024197
observed 2905c99ebfcf88f1b1dfdd3714ef5589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.425041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024197/manifest.json
observed ab3243dd3746bfebc003810bf6125b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.406061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024197/publication.md
observed 10615efe5fd8f019e99275fe143402a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.388007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024197/publication.txt
observed 549b46e992fd6120387e358624d9de18...
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.