OpenTechnical

OT-2026-000072524

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072524) never changes.

Identity and time

Publication numberOT-2026-000072524 · never reused
Internal UUID01a0ae92-89d8-7667-b162-40257d9b5e55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072524
StatusPUBLIC

Content hashes

Canonical text2cda2096ff78a2585ff0253b3dd5d53976dcdf6d0508a94831c7055ce5bb8515
Markdownc2e864bfba9f378d12aa7cdad875b1f65ed14f64a08cc98ef9d453d30d41d11e
PDF
Publication page9af4795b4a5bc580f52ef5a85dfb4bd2112d26c15d94e0815b305d2a4ac6fb20
Manifest783f27af8a35d24f5cc7081a28f571edfc9102b581115e5d20c4b7dbdd9c0748

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
SignatureCcu+qgJrXIJduFIjfzzXoNXlpdB5Ms+D5OfyBv0XG1ffNhGjs7b5Anr8KBIW4kV8HDLKhoOK688hj63ciVY9Ag==
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

2026-09-17T10:22:21.371144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072524
observed 9af4795b4a5bc580f52ef5a85dfb4bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.354114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072524/manifest.json
observed 783f27af8a35d24f5cc7081a28f571ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.331001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072524/publication.md
observed c2e864bfba9f378d12aa7cdad875b1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.311403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072524/publication.txt
observed 2cda2096ff78a2585ff0253b3dd5d539...
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.