OpenTechnical

OT-2026-000077569

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000077569) never changes.

Identity and time

Publication numberOT-2026-000077569 · never reused
Internal UUID01a0ae95-2ece-7049-b1ab-efb62292642b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077569
StatusPUBLIC

Content hashes

Canonical textb132d47d5ffbe8d07a2fdd430bcc5446959461ead40e771e137a4e9ef331267f
Markdown0634a9005f005314892a839bdd2830ebbf588d5ff8da4be79e4d40e1c2926c6f
PDF
Publication paged12fb0952a4c2baf5c598fc6aa87031f52a7468aa6281d82e8d953d3613c1668
Manifeste2051629a06f3cb1c2355c378d0a52d0833b23b4c081999629476095f15013a9

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
SignaturecEhcEIwaLDZp+F369MhDdBEg3jtgOq/G8OW1oRyXYgG4LGhtTWmy72fbitpox3/ZwfczR3osSmJ/XOkzaF9FBg==
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

2026-09-17T10:07:02.942143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077569
observed d12fb0952a4c2baf5c598fc6aa87031f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.924412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077569/manifest.json
observed e2051629a06f3cb1c2355c378d0a52d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.909582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077569/publication.md
observed 0634a9005f005314892a839bdd2830eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.892776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077569/publication.txt
observed b132d47d5ffbe8d07a2fdd430bcc5446...
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.