OpenTechnical

OT-2026-000084073

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000084073) never changes.

Identity and time

Publication numberOT-2026-000084073 · never reused
Internal UUID01a0ae98-5b5e-7aed-9597-5cca5188e360 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084073
StatusPUBLIC

Content hashes

Canonical textb2fc24c9783c72e8dc102954b0b4d8e7971d48ea80d04a7b99a73f6f946ebd37
Markdowndd5affbbde643e8a0157d69ea2d373565e2335491ac350e62edd4dcf1352ea13
PDF
Publication page1a2614482b65bf4aad9717aa5520126a2a12d8e0222efa91bc4335411e56ba77
Manifestedabd913d09341ae44c3cfacc41e9a9606d9346c7f2bd8deef6bee222400ca05

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
SignaturelYrfbKfawyA6r2JJMxgu8+ULMJsHIEZe98Ihhd/wjFpYZhNxAPzJUVRSPuLLPnXFkkcK63qvIRLBe0rBRu6VDQ==
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

2026-09-17T09:55:48.828229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084073
observed 1a2614482b65bf4aad9717aa5520126a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.807821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084073/manifest.json
observed edabd913d09341ae44c3cfacc41e9a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.787519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084073/publication.md
observed dd5affbbde643e8a0157d69ea2d37356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.725738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084073/publication.txt
observed b2fc24c9783c72e8dc102954b0b4d8e7...
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.