OpenTechnical

OT-2026-000048105

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000048105) never changes.

Identity and time

Publication numberOT-2026-000048105 · never reused
Internal UUID01a0ae7f-c424-7817-bc0f-6bfb60a4f063 · 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-2026-000048105
StatusPUBLIC

Content hashes

Canonical text3eaab0d6387c4da067bbcb253d1e1f7b4bf9b9b23ba2cf6151c720bc25df8f7c
Markdownec7a229b51fe6609167a3b1eb1ac5039c227840c6d8fae8fdaa8fe3bd15a583f
PDF
Publication page1b8359d1175b8811219055fd7e795c33c65df4cf8ed59f0fd7f8fafec20884ab
Manifest4c4cb40804493603cabfcb8ea022a878d5d073ae72aa43d8442fe9d46318d625

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
SignatureyorXsEifqXH3O4aReCq5Z2AQxz7q1Sowi1D+fYOk9UGJ3DoncLmSHBbJAD8b3sjrpK3Xr8+OuFE1DZ+r5mxdAA==
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

2026-09-17T11:06:07.916608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048105
observed 1b8359d1175b8811219055fd7e795c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.898222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048105/manifest.json
observed 4c4cb40804493603cabfcb8ea022a878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.866699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048105/publication.md
observed ec7a229b51fe6609167a3b1eb1ac5039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.848072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048105/publication.txt
observed 3eaab0d6387c4da067bbcb253d1e1f7b...
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.