OpenTechnical

OT-2026-000047741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000047741) never changes.

Identity and time

Publication numberOT-2026-000047741 · never reused
Internal UUID01a0ae7f-c41f-7ed4-bd5c-b0184484951b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047741
StatusPUBLIC

Content hashes

Canonical textba25690d90ce42c1d9e73fdb60e51f007d8c48f19e8f65a15e138fe52193a0c7
Markdown92d78e73a130fa78468c612b6cbb56da903d5eb0f61b5f40b8382e7c5da48b9b
PDF
Publication page855ec54cd2545b1337929afa13dd58b28bc01647ec877fc0f502062a1bf5fe80
Manifest396c0e91ff1a19ef4a74e35b527e4508ee9b15c01620ad2a445adfe13ca3b6c2

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
Signaturey9zrh/9ZfHxsMOLG5qlqHfb4eIDuYPCoiogPWqbqS96DmuYUI6X6MjtiGWSnMuq0tS4E4wM6Z77g5rrmewE3DQ==
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

2026-09-17T11:05:37.107105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047741
observed 855ec54cd2545b1337929afa13dd58b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.015741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047741/manifest.json
observed 396c0e91ff1a19ef4a74e35b527e4508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.997369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047741/publication.md
observed 92d78e73a130fa78468c612b6cbb56da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.979129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047741/publication.txt
observed ba25690d90ce42c1d9e73fdb60e51f00...
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.