OpenTechnical

OT-2026-000025719

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000025719) never changes.

Identity and time

Publication numberOT-2026-000025719 · never reused
Internal UUID01a0ae71-9bca-7d1e-8999-38b7aab6e671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025719
StatusPUBLIC

Content hashes

Canonical textfc12a28984e03adfa90cb1a7bb8a8200f3fbccd9b2d3ea0a6702ca586ac4d30d
Markdown65862f2b004b013a6fe0a7fed0c8e9a131ce3c1ab486f8cb14fb11810564e371
PDF
Publication page7242e3c4bad33337a94ab1d3df3f538714c112c26c5e6ec4f223bf7854e772d3
Manifestbb4f0c37b2275be7565d9368bd2633ebc1625cf1b9b2d8691ac2d44c08fb487b

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
Signatureg5PiOJf2n1w+DQyxZ+pEAJXPYg4ONF6otqYvjIykXQEmMZvLQ0USRXWbTJt0j5QtU/X6LukSaE+IyaVQDcDlCQ==
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

2026-09-17T11:46:56.186199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025719
observed 7242e3c4bad33337a94ab1d3df3f5387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.166441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025719/manifest.json
observed bb4f0c37b2275be7565d9368bd2633eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.149731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025719/publication.md
observed 65862f2b004b013a6fe0a7fed0c8e9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.132364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025719/publication.txt
observed fc12a28984e03adfa90cb1a7bb8a8200...
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.