OpenTechnical

OT-2026-000098025

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000098025) never changes.

Identity and time

Publication numberOT-2026-000098025 · never reused
Internal UUID01a0aea1-92f8-7f2c-ade3-f7b6b4e0d4be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098025
StatusPUBLIC

Content hashes

Canonical text194dfa220137282c2c922e3e75e46f57e5865d8e9f8cf6620ca13a2d05730100
Markdown0d431a1aa8a1319055c3c9900fb998b101ee824fe0489a938be5f35087535921
PDF
Publication page5e2f2cdcabaa0bec8290223dfe8cef9fcb5fd04932fbcebd83ea8bd0a79859a0
Manifestae6a6a195b53aa00b03298acc5ca8b67c79bbb946d42e918d9cfe24f50011803

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
SignatureBiOLi2rd9uAO4vWyrfoE1rs3iT6hH6FDnFPUJ7ehbfjGLNPw1MEdh7B84XtefPtbpTVvVx+d9AP3NiemA6HzBg==
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

2026-09-17T09:33:12.123048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098025
observed 5e2f2cdcabaa0bec8290223dfe8cef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.105657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098025/manifest.json
observed ae6a6a195b53aa00b03298acc5ca8b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.086919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098025/publication.md
observed 0d431a1aa8a1319055c3c9900fb998b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.069748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098025/publication.txt
observed 194dfa220137282c2c922e3e75e46f57...
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.