OpenTechnical

OT-2026-000042906

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000042906) never changes.

Identity and time

Publication numberOT-2026-000042906 · never reused
Internal UUID01a0ae7a-c0d1-7b44-be60-d57f4ff28bd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042906
StatusPUBLIC

Content hashes

Canonical text493edf67b52e2a1ed24d5c348e1f110d1082bf1957e280dabc3f69d79803f2a5
Markdownb4cefd2e8edcc62b54f90d50b86089d9e0f8e1e41364558c584c50518b8f0a91
PDF
Publication page125f50e6e91f1980d270bf3a06cb39ebbb98fad35ec0d512cc1be64a8011e8fd
Manifest6569332aa89410babaa195ca31c8b79677fd33c113a1a2aa818c37fd035cac4e

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
SignatureYVt0JuUrsW/i4EYzcJCUaGlmbXqe4295KM0MG8H3OYDyBVJiM9kjOvYAiqXSshx4IJK9qA1i250DpcIPXWHnBA==
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

2026-09-17T11:15:24.981398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042906
observed 125f50e6e91f1980d270bf3a06cb39eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:24.961135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042906/manifest.json
observed 6569332aa89410babaa195ca31c8b796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:24.940705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042906/publication.md
observed b4cefd2e8edcc62b54f90d50b86089d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:24.920036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042906/publication.txt
observed 493edf67b52e2a1ed24d5c348e1f110d...
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.