OpenTechnical

OT-2026-000103206

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000103206) never changes.

Identity and time

Publication numberOT-2026-000103206 · never reused
Internal UUID01a0aea4-be3e-70b4-8d16-67e0d8580208 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103206
StatusPUBLIC

Content hashes

Canonical text0f005b19fce9156b2bda449f8c1ff9ebe7f95636a5a2a23f35edde8ceffa78b8
Markdowna3a29f9d0ba309a4a20e592ad77e9fa2bbe6273be0c71f301ee3f1460a3ee557
PDF
Publication page239cb9716c7e0bd165c2c7e381406afa37973bca78c12eb9a6e4f85ea4651c91
Manifest051ecf801453ba0279f2356a7d7440c80ec6d63cc8b4ed8eb856d9cf62b4c19a

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
SignaturephTS3TjZICTVIeAxfqGsJfTprwi3yjUo/56aJ2E+eB7463sh3+2MTWDQAN5lHmpoP8zpQrsFdP2wDuUOF2lkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:25.985097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103206
observed 239cb9716c7e0bd165c2c7e381406afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.969082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103206/manifest.json
observed 051ecf801453ba0279f2356a7d7440c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.951573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103206/publication.md
observed a3a29f9d0ba309a4a20e592ad77e9fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.933204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103206/publication.txt
observed 0f005b19fce9156b2bda449f8c1ff9eb...
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.