OpenTechnical

OT-2026-000006831

Publication integrity record

Bellows cup vacuum gripper, ejector fed, contact triggered, sustained 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-2026-000006831) never changes.

Identity and time

Publication numberOT-2026-000006831 · never reused
Internal UUID01a0a968-ead4-7d49-b27d-649d15ca5b38 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:20.504035Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006831
StatusPUBLIC

Content hashes

Canonical text96194c8d3e0257ce0d0c8a0023a12d743d97a486d239c74716b2bdf452ff2415
Markdown88cce538191cc9a9e1eb757b9d2c251162e653f5fbb4eaab5b820307db48f1a0
PDF
Publication page7cca18a8fecdf52f8d91a508792ffd6b1490a40a3caab0fc21f77de4e4e3ca72
Manifest487bbb1361a563a762e7e69e0718397b4de15a789c23e40c797e0f9f4e8fda13

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
SignaturezzcObcpJIkCV6hvp+/uxaplUHNoUIpvhmqJp+XVl+2oNFWLHkgw/KT+0ZPF8f6yOdhI6RifZygrtjl2wLH+9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:31.385700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006831
observed 7cca18a8fecdf52f8d91a508792ffd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.249691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006831/manifest.json
observed 487bbb1361a563a762e7e69e0718397b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.237522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006831/publication.md
observed 88cce538191cc9a9e1eb757b9d2c2511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.224624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006831/publication.txt
observed 96194c8d3e0257ce0d0c8a0023a12d74...
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.