OpenTechnical

OT-2026-000006860

Publication integrity record

Vacuum cup gripper, pump fed, vented before set down, polyurethane cups, oval form

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-2026-000006860) never changes.

Identity and time

Publication numberOT-2026-000006860 · never reused
Internal UUID01a0a969-f216-71b3-9263-092286719391 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:27.897224Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006860
StatusPUBLIC

Content hashes

Canonical textfe9eea55b49170f91d0d3147bfec2c115e7a180ddb8a3c6f6d9ab5524f792c90
Markdowncd11a5c52b04c960585bdcd5d29dc236f54ada38972cf615c198bafcafa737a5
PDF
Publication page767c9177bf9d1ebf97026ca4a3c6e9f18e06dab61f81e69cf82939f8816fc652
Manifesta1bcaf93876d87930907b82f3c9e3fab119b8263f4380bd5a41a42205a12f945

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
SignatureFLBM/RDCA7Z4wk4SOJEfMYzQn7zTefPZV/4juK+zvT45bloJuMcNbQxOmEqvZ0jtz5D4jlRCKYRBRGL9P3LbAw==
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

2026-09-16T09:00:28.213700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006860
observed 767c9177bf9d1ebf97026ca4a3c6e9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.200999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006860/manifest.json
observed a1bcaf93876d87930907b82f3c9e3fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.188268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006860/publication.md
observed cd11a5c52b04c960585bdcd5d29dc236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.174876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006860/publication.txt
observed fe9eea55b49170f91d0d3147bfec2c11...
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.