OpenTechnical

OT-2026-000095573

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000095573) never changes.

Identity and time

Publication numberOT-2026-000095573 · never reused
Internal UUID01a0ae9f-8f75-7929-9f61-c77ee5f05b28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095573
StatusPUBLIC

Content hashes

Canonical text8f7e2a18114a9b5827682579373bb1f4bfa2f3fc7e4fe069fcf43b1ffcfd6e54
Markdownad769ccbeb397c4c83bbf89085d940c6d01739d614aff5a3f5dc51600a0026e2
PDF
Publication page599d7d194788a31acc3f729d3dc6036f2ff1de01decbf6041db897052f0cebd8
Manifestef5fcccdd955e5065114f65dbe74c68b8414466e8c866da85a65fceae141283a

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
SignatureVUy/lZ6NyQFoDDlmhzMKRLW8ld5K59zhYHSHfgYo+83Uhl7fyzfgB6AIqrZwwJpiIaEprTyvQ9sdV2nYvCApAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:59.462489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095573
observed 599d7d194788a31acc3f729d3dc6036f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.446321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095573/manifest.json
observed ef5fcccdd955e5065114f65dbe74c68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.430190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095573/publication.md
observed ad769ccbeb397c4c83bbf89085d940c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.413880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095573/publication.txt
observed 8f7e2a18114a9b5827682579373bb1f4...
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.