OpenTechnical

OT-2026-000043397

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000043397) never changes.

Identity and time

Publication numberOT-2026-000043397 · never reused
Internal UUID01a0ae7b-327e-7a71-ad35-ed2c20594f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043397
StatusPUBLIC

Content hashes

Canonical texte80bed9a3470a0674f6ad53a9ab202ab0acb5e1e74b15d100a7668e614d18135
Markdown330c5876c1a831210987520d0cd0d93efa0cf46c74f9504e06941cb72e23d754
PDF
Publication page747cbf01c0f031725590c8d76ded2058e14ea780815993a3a7d674ea2d855ff0
Manifest0120295d5798343c3e54598813e2ec8c5e595225051dcc34ff8773c5889ea353

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
SignaturewJXQShIrVuj0efQ4Zfelas5DWJ7ytdQqlinvtHCMVDZNKH5PtOoLJWGNmdjzSGGVrFxgQa5UFXjC3F5FMJUvCA==
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

2026-09-17T11:13:55.930475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043397
observed 747cbf01c0f031725590c8d76ded2058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.905718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043397/manifest.json
observed 0120295d5798343c3e54598813e2ec8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.887291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043397/publication.md
observed 330c5876c1a831210987520d0cd0d93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.862992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043397/publication.txt
observed e80bed9a3470a0674f6ad53a9ab202ab...
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.