OpenTechnical

OT-2026-000047217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000047217) never changes.

Identity and time

Publication numberOT-2026-000047217 · never reused
Internal UUID01a0ae7e-d0f9-7f96-a975-de1b0fb3fd67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047217
StatusPUBLIC

Content hashes

Canonical texte40991ea0b11f11a251c97ed3fe0b8959b78104009bbae90018a301761007588
Markdown9e2e1ee274a8a19568f6a6024b0703c3a83fd131773c576ead4fd12a276d2dab
PDF
Publication page71a2e98f1e998c8e8127e21709f57237528aac9b03972c01006745652a6e6db4
Manifestf2afc292002f317b5b95985b38ddaf133fd3a646ae6cd37d01305cf5e0fd5918

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
SignatureeIjKOJLk3uBYJ7UZhNA5i0xe5XFpCbF7l78ER7yz2mAH1o/+DU1nBX06yIR45kjgyKJyIcnBIpYEgG9r2Eh9Ag==
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

2026-09-17T11:08:03.240520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047217
observed 71a2e98f1e998c8e8127e21709f57237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.221455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047217/manifest.json
observed f2afc292002f317b5b95985b38ddaf13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.201779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047217/publication.md
observed 9e2e1ee274a8a19568f6a6024b0703c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.182574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047217/publication.txt
observed e40991ea0b11f11a251c97ed3fe0b895...
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.