OpenTechnical

OT-2026-000042410

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000042410) never changes.

Identity and time

Publication numberOT-2026-000042410 · never reused
Internal UUID01a0ae7a-5d75-7b9d-81d1-3afa8be611b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042410
StatusPUBLIC

Content hashes

Canonical texte55ed65731763396aa1f1f53192eaa8e4057af2c33281aedf390c2c41c558ed4
Markdown6496c15873d2718c82ba3c2870518c2e9b697293896230a49f87788eae7769a0
PDF
Publication page285fa86dfa94552d6fbf2214c38bcecbbbf2fac4c70d1ae624c3100d6cdd97bb
Manifest74bcd0cf73af01d31b0d768e3edda851ea44507214be03e0c072d2609216d19e

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
SignatureHvcAKgaKv9LVFjiB7FRC17wJw4P2mvb6ILQcuvZxfjdfkz5EoMUJVEG9M4IoEo8OoXhUM2LVTokzJwanOr/BAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:12.427433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042410
observed 285fa86dfa94552d6fbf2214c38bcecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.410144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042410/manifest.json
observed 74bcd0cf73af01d31b0d768e3edda851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.392819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042410/publication.md
observed 6496c15873d2718c82ba3c2870518c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.377752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042410/publication.txt
observed e55ed65731763396aa1f1f53192eaa8e...
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.