OpenTechnical

OT-2026-000026160

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000026160) never changes.

Identity and time

Publication numberOT-2026-000026160 · never reused
Internal UUID01a0ae71-a841-7e06-ac30-c74167ae1168 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026160
StatusPUBLIC

Content hashes

Canonical text8e535837c2f5932880e1d88569f6368ae693385ab9d9e8696210f2c0d16d3098
Markdown3430448d65bd98daf818f91bf4026634c654de1f282ca57d892e39d3be9a00f6
PDF
Publication page82c2aff9f999f52ce3f275226cdcdc359421dc52042e2b8632b7cb486e146002
Manifest1e4ef6013f4d65b78600f244aa1b8343a9e97a59fd7173ba1658fc059d0dedd7

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
SignaturerUkdQLTTItVAWqfBWKF8ul/ePSpfnRHiehWQJdJW/IUKycI0tkFMaJtsFvYN/Aeg0JCbYmy+XwI7Dq9/xDz5Cg==
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

2026-09-17T11:46:40.257780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026160
observed 82c2aff9f999f52ce3f275226cdcdc35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.240329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026160/manifest.json
observed 1e4ef6013f4d65b78600f244aa1b8343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.222380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026160/publication.md
observed 3430448d65bd98daf818f91bf4026634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.204630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026160/publication.txt
observed 8e535837c2f5932880e1d88569f6368a...
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.