OpenTechnical

OT-2026-000011527

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000011527) never changes.

Identity and time

Publication numberOT-2026-000011527 · never reused
Internal UUID01a0ae6c-88ff-7495-8018-9ed149f60a48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011527
StatusPUBLIC

Content hashes

Canonical text637911a36878722d8d494198b92256ceb665ad8c9b9c11c804bbeae5715ed98c
Markdown55950de525ffaadd04eed87d6644484e00f600ed8949ad9b82d82d175ffc5806
PDF
Publication page2979a6a6388b0e61c231dd999147db8438ef34d73f9e5f7b0525c84b07eb0651
Manifest7f7ac6edeb33f8a5a76c86a3e92f3bba9f5ae31124fcd78a4c74942bdb3cde56

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
Signaturedpt4YYdtFhzATGytttQX+5vXNc9R/mlA9mbMGwCsAGV6No36rr0w4nXJSZPWMtxXRIcmcPJBWzix6Fz3rghgAg==
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

2026-09-17T12:13:18.968359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011527
observed 2979a6a6388b0e61c231dd999147db84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.950005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011527/manifest.json
observed 7f7ac6edeb33f8a5a76c86a3e92f3bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.932382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011527/publication.md
observed 55950de525ffaadd04eed87d6644484e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.913931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011527/publication.txt
observed 637911a36878722d8d494198b92256ce...
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.