OpenTechnical

OT-2026-000063248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063248) never changes.

Identity and time

Publication numberOT-2026-000063248 · never reused
Internal UUID01a0ae8c-94ab-750b-8c78-a0a3e99085cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063248
StatusPUBLIC

Content hashes

Canonical text70f2a3cb9a64bbb16d3f92c8422d73132dcd788aa372db2007065f129f9a0fc3
Markdowne8deb9eb932793fe48807f8ef23dcb06504b43fc1b0911464e74731a4f34c492
PDF
Publication page28b3d1f1cbf2d1de6f733eca9627083092a441c7202c4724a57377a731748900
Manifest418de9d62217241a6cb95807e713336543a35afa8c86d911babfec21766ad178

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
SignaturelRPwMY1GXo7DnmiVkjxPZoA3LnzNVyEiUwuI8raCwt0b2BJuqArMfQK090mgVrSVbgeXSviqyuLuukgZw5vcAg==
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

2026-09-17T10:39:07.940760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063248
observed 28b3d1f1cbf2d1de6f733eca96270830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.916433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063248/manifest.json
observed 418de9d62217241a6cb95807e7133365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.900017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063248/publication.md
observed e8deb9eb932793fe48807f8ef23dcb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.881744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063248/publication.txt
observed 70f2a3cb9a64bbb16d3f92c8422d7313...
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.