OpenTechnical

OT-2026-000063553

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000063553) never changes.

Identity and time

Publication numberOT-2026-000063553 · never reused
Internal UUID01a0ae8c-f945-79be-bc15-562c5336db14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063553
StatusPUBLIC

Content hashes

Canonical text582d9a8c65888af1071591d25d7beab47de699890e382077d209561baa0cfadd
Markdownce11382622338a580bdc33266f13af6bac7bb4222ca46518c570c7dd00b8ef4f
PDF
Publication pagee6420051e0089e7308bb659198fc8d844fe69358762496c1ca7e6c90a231baf5
Manifestd2b455affe6bd01a13aa91a417db448935c7023817cd257f4f61d5b7945e45d5

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
SignatureyqM35x9WOZcQ+1kTAYyGBV7nd3VaSAWWt359KeN4Lt1EPvRdjdU+uANqKmDkHauqHOhDrXenkDG0ZCBhZbB6Cg==
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

2026-09-17T10:37:33.330888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063553
observed e6420051e0089e7308bb659198fc8d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.310641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063553/manifest.json
observed d2b455affe6bd01a13aa91a417db4489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.289953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063553/publication.md
observed ce11382622338a580bdc33266f13af6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.271697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063553/publication.txt
observed 582d9a8c65888af1071591d25d7beab4...
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.