OpenTechnical

OT-2026-000075946

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075946) never changes.

Identity and time

Publication numberOT-2026-000075946 · never reused
Internal UUID01a0ae94-2a00-7ff7-81b0-78e14e4296cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075946
StatusPUBLIC

Content hashes

Canonical text1fcea7ea8a591fc1d46e5b058352e9d34b98d4d71c70e041c96212e9ed3afe2f
Markdown6615e37e862d7f38c77f83527c6564503861f4acc4cb0b4549ac4b2abf36c268
PDF
Publication page748d095baf26509f24d62d8e9298b25c5fbf5134ff635d03ab74fc95da5f8fe7
Manifest58cf7bf867cfc7495a3514f4b73bec478c86823f69a6c6b020ef4425f5a2420a

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
SignatureSN3wfamde4Tq6J2D4qJA2TQI1M36MzagfLjoGHBcSGWiNNe1K8ZjX3Ws9Kr7+dCvvUTx3Tsj7PwNOZCiUPbmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:03.928639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946
observed 748d095baf26509f24d62d8e9298b25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.911008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946/manifest.json
observed 58cf7bf867cfc7495a3514f4b73bec47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.891657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946/publication.md
observed 6615e37e862d7f38c77f83527c656450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.873433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946/publication.txt
observed 1fcea7ea8a591fc1d46e5b058352e9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:54.751881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946
observed 748d095baf26509f24d62d8e9298b25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:54.735309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946/manifest.json
observed 58cf7bf867cfc7495a3514f4b73bec47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:54.716509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946/publication.md
observed 6615e37e862d7f38c77f83527c656450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:54.698285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075946/publication.txt
observed 1fcea7ea8a591fc1d46e5b058352e9d3...
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.