OpenTechnical

OT-2026-000091842

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091842) never changes.

Identity and time

Publication numberOT-2026-000091842 · never reused
Internal UUID01a0ae9d-43ba-77ec-8b91-ccd37c0bac17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091842
StatusPUBLIC

Content hashes

Canonical text15218f80f19241277f06f30638124daae6e32cb844dfa89155b30138fb5b5eee
Markdown151326b28d5f9a72df0b965c4b93b0c8d0c685f51b66d2ec1932b6af47f626bc
PDF
Publication page83a32e7c78aa55cdc9d88ed5246f11da9d1cf700d60bf3a87f3a84adb7c3d517
Manifeste55262f64d1f16bd5e91f11982ac7bfde8a0c75fe8ea6a6262f34f350e7db8bf

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
Signature+u+xxRu+E5MKqgQQlmFQQyLEgLbOzLL/YfHS9SqkEwTjODajte5wCCvDjtd/2hqnnFBl6/frxp2CCnhexKu3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-18T04:44:15.596765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842
observed 83a32e7c78aa55cdc9d88ed5246f11da...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:44:15.415887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842/manifest.json
observed e55262f64d1f16bd5e91f11982ac7bfd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:44:15.084087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842/publication.md
observed 151326b28d5f9a72df0b965c4b93b0c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:44:14.627680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842/publication.txt
observed 15218f80f19241277f06f30638124daa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.682438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842
observed 83a32e7c78aa55cdc9d88ed5246f11da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.664168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842/manifest.json
observed e55262f64d1f16bd5e91f11982ac7bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.646574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842/publication.md
observed 151326b28d5f9a72df0b965c4b93b0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.629613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091842/publication.txt
observed 15218f80f19241277f06f30638124daa...
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.