OpenTechnical

OT-2026-000085493

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000085493) never changes.

Identity and time

Publication numberOT-2026-000085493 · never reused
Internal UUID01a0ae99-aaab-701d-b88c-b7fdbbdea36d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085493
StatusPUBLIC

Content hashes

Canonical textb692d11f88ddd5800b690657326d46ace0c787f1eed2841c29ff5483888fa743
Markdown65d645f7aadccf46f1f764e0bb10a1db6bb0e0427c0f522bb03e6977be1a027b
PDF
Publication page873d5d36b1e61295f77164d9fb8628e49c9181594e75d367cab244bb74fc3962
Manifestb5025c0ea07ebcdf1427f635571c6fdb017113648afc5da7784158fd99baf8aa

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
SignaturehPLoReejq+nZkPJORn70EEEXtGaCi37Qk/NtxzJ4K7rwa8TYYd0427hEb4bOZSj9I49frltyj2y9uw3HowZxAQ==
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

2026-09-17T09:54:17.577718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085493
observed 873d5d36b1e61295f77164d9fb8628e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.556805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085493/manifest.json
observed b5025c0ea07ebcdf1427f635571c6fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.535394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085493/publication.md
observed 65d645f7aadccf46f1f764e0bb10a1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.516317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085493/publication.txt
observed b692d11f88ddd5800b690657326d46ac...
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.