OpenTechnical

OT-2026-000088025

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000088025) never changes.

Identity and time

Publication numberOT-2026-000088025 · never reused
Internal UUID01a0ae9b-1aa6-777a-bb05-a69bfe917f81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088025
StatusPUBLIC

Content hashes

Canonical text66ac1a3a5472a083893aba7d2a49de4f89b6795a239c230e86c4723b2bf86ba7
Markdown4ac2fffb5ad1d041e0a7ff49207fe3b6aed8ab92cad645ea961876047a38ed66
PDF
Publication page4d5f84b2fe816c0a3390f64714f38f02a3760dc1900d3a6b207c8070e88fd23a
Manifest0f2b63791cc7ae044ce4196f45ce0c224e647963775742fcdd6031e3d6fba561

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
SignatureQuQy+ppoAS9WR0pztx/2ocD1b2pRd35igSElAcqWetSg5de0yrLOMBJpE2XRDPa/RQw7M0+Heg1o2fncRQb7Ag==
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

2026-09-17T09:49:24.655333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088025
observed 4d5f84b2fe816c0a3390f64714f38f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.638654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088025/manifest.json
observed 0f2b63791cc7ae044ce4196f45ce0c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.619228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088025/publication.md
observed 4ac2fffb5ad1d041e0a7ff49207fe3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.600056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088025/publication.txt
observed 66ac1a3a5472a083893aba7d2a49de4f...
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.