OpenTechnical

OT-2026-000102543

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000102543) never changes.

Identity and time

Publication numberOT-2026-000102543 · never reused
Internal UUID01a0aea4-858a-7329-8a16-75a6b3d06be6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102543
StatusPUBLIC

Content hashes

Canonical text06efc334b45769045ccd56d9e0c523a14f60728fb89eea1cd4f407976124a4aa
Markdown57f7b94d9356dc0459c612b06cc871073023793cbb054f10995039dedf950902
PDF
Publication page6f69f114f1c1b59dc85dc32f36141e77eb81f1917b08a9fc65fb270c6d3d2fa3
Manifest8642a292924c23e0b386c2cb2d4775608e766ba148a1afca8b0ce40517a944cf

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
Signatureit0OToOqxfzD/uBsStfB4JXLSd8J0VGPPNjxlU7CqkSJ/CEn+h4wB3W8b8d2qxLrFyJBwAV6/fSHf0C0uuC8CA==
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

2026-09-17T09:24:01.214545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102543
observed 6f69f114f1c1b59dc85dc32f36141e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.195018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102543/manifest.json
observed 8642a292924c23e0b386c2cb2d477560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.172959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102543/publication.md
observed 57f7b94d9356dc0459c612b06cc87107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.155878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102543/publication.txt
observed 06efc334b45769045ccd56d9e0c523a1...
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.