OpenTechnical

OT-2026-000077419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077419) never changes.

Identity and time

Publication numberOT-2026-000077419 · never reused
Internal UUID01a0ae94-f509-7ec9-831a-5a088bf8aab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077419
StatusPUBLIC

Content hashes

Canonical textb023ff37d509cf926c5fb2f4d4062c14fadeee35499b322b7374ca60d1248a28
Markdownb1f62aae992a327c8833c5915e9c931926177bc4ff5e7c6026cd4f0691be4a37
PDF
Publication pagea1ea367c9f67265d9efcc1a6a9998d986ba1e505b250b0f90ccc76b60f3cb127
Manifest3d0ae7dfceed6f71da09ddeb960a1e1ef0cfd491deb3d10477bc97a985dbc0fd

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
SignaturevgEJAuszBZY0jKGOypsgCKcUDjG4Q5BX/F1nFwWEwoesSn/2cmzJQY6/hvHqLFdjKPR3hR6mcpXdPPuvlucBAA==
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

2026-09-17T10:09:04.162235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077419
observed a1ea367c9f67265d9efcc1a6a9998d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.145419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077419/manifest.json
observed 3d0ae7dfceed6f71da09ddeb960a1e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.127882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077419/publication.md
observed b1f62aae992a327c8833c5915e9c9319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.110893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077419/publication.txt
observed b023ff37d509cf926c5fb2f4d4062c14...
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.