OpenTechnical

OT-2026-000006807

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, pump fed, vented before 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-2026-000006807) never changes.

Identity and time

Publication numberOT-2026-000006807 · never reused
Internal UUID01a0a968-0def-7104-90a9-9103e7193453 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:23.955101Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006807
StatusPUBLIC

Content hashes

Canonical text38a86ff9d6f89d80718438602f14ce1f1156a36aeba1c2ab3ce08dd35a5060d7
Markdownaad8d05246c74c866d124d24c1d747fde0321683372bf92b78f2a6daaf99ca7f
PDF
Publication page1656bb9088f5b88077d10139343f564e86e394910b9e43f291a827fd21bccfae
Manifesta6e08c6443d3e6d7e4a9cfb39c41df2cb093325a6652ec9c6435677df57ac9cb

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
SignatureoUO4659jJMe/mzqbKmP4korbX3NpWeDfFsOu8WGGiJG3BMZSEbpO4v59w1KTWz0+oDYS4uhyzEylKUSb9LqUDw==
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

2026-09-16T08:50:04.182802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006807
observed 1656bb9088f5b88077d10139343f564e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.169734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006807/manifest.json
observed a6e08c6443d3e6d7e4a9cfb39c41df2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.156668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006807/publication.md
observed aad8d05246c74c866d124d24c1d747fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.143977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006807/publication.txt
observed 38a86ff9d6f89d80718438602f14ce1f...
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.