OpenTechnical

OT-2026-000097520

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000097520) never changes.

Identity and time

Publication numberOT-2026-000097520 · never reused
Internal UUID01a0aea1-55b4-7a57-af49-a1b3f417cfed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097520
StatusPUBLIC

Content hashes

Canonical textb279d3971e1b5eec44f76bb10f8ffc6885b600357bc557fa39e4fa22553a40fd
Markdown722c0032bd9250fb04f5b58cccda30544ebd717b61d838c2bd6fbef96884c663
PDF
Publication page1ca6e37c9ddb6495aa0ce0fac16a795cc21034856c297ecac48817fd45b023b7
Manifestee41e883bce5f50ad1588bc21d3014279b9b5abb3d89cd63c070ff58f2f73175

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
SignatureaAZBhgoKJyu617dKGzss68auDwzQMdDVdPANm5FSV1e7quCo6gimwtUnCU1ksnbFKffuC4ieoUhvKDbM0gSwAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:14.999985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097520
observed 1ca6e37c9ddb6495aa0ce0fac16a795c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.980232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097520/manifest.json
observed ee41e883bce5f50ad1588bc21d301427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.961283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097520/publication.md
observed 722c0032bd9250fb04f5b58cccda3054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.942156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097520/publication.txt
observed b279d3971e1b5eec44f76bb10f8ffc68...
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.