OpenTechnical

OT-2026-000047474

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000047474) never changes.

Identity and time

Publication numberOT-2026-000047474 · never reused
Internal UUID01a0ae7f-3e58-7bff-a7dd-f34855ccb80d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047474
StatusPUBLIC

Content hashes

Canonical textd2c1aa3c5887e81d7e86271374e43a77cfe68f42431e78f601f4ff2f2032c86d
Markdowne4845d6845f91a1ed02e13207870efeae4dd419568ce22a4eeaa027f1f8f2fd4
PDF
Publication page52d714ab39bcb55a951d2a156425571af36f15dbe1b52a8417bd5cd11a984219
Manifest23a8d1e3cfa4ca24076fb6c7c1c05a82df325ca262a30b957bb6251c522d0a99

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
SignatureYBxRgjBIAZrNzDUGvv+CUgAzK6yhj6Jscpvpv1gb2KcXfCFbyZEaJQkERTcenTVG5k+VcVzHvhYsaqkrAAmTBw==
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

2026-09-17T11:06:30.649843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047474
observed 52d714ab39bcb55a951d2a156425571a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.631018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047474/manifest.json
observed 23a8d1e3cfa4ca24076fb6c7c1c05a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.613410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047474/publication.md
observed e4845d6845f91a1ed02e13207870efea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.595037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047474/publication.txt
observed d2c1aa3c5887e81d7e86271374e43a77...
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.