OpenTechnical

OT-2026-000103136

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103136) never changes.

Identity and time

Publication numberOT-2026-000103136 · never reused
Internal UUID01a0aea4-be3e-75de-bb19-6588cb07d2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103136
StatusPUBLIC

Content hashes

Canonical texta2408a4c46dacda9d3cfbe6f7af9c68336bf59a78176d301f548cae87a6b4705
Markdownd6d40f77056b4bddd51c9e048d0f0a545546ae04aaec7e9e9b5e46fa16cf9098
PDF
Publication page363011e0dffc50550d20e77a8bd63cc91bf52aa489f1d463b659dd3f08908728
Manifest89eccdf958ab82fcb93e7bb6db4143a230acb8baa0fe3f867f896691776d9493

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
Signature8fuAvfwRW7F4D4gfBuEjuAQRDkR5l4pJB5+e37i5GoIXUXfffemf3Gi73D1PG4J+uteLNfUhJgy1AcoMjoVQBA==
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

2026-09-17T09:23:16.340328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103136
observed 363011e0dffc50550d20e77a8bd63cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:16.322948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103136/manifest.json
observed 89eccdf958ab82fcb93e7bb6db4143a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:16.304784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103136/publication.md
observed d6d40f77056b4bddd51c9e048d0f0a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:16.285581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103136/publication.txt
observed a2408a4c46dacda9d3cfbe6f7af9c683...
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.