OpenTechnical

OT-2026-000056738

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056738) never changes.

Identity and time

Publication numberOT-2026-000056738 · never reused
Internal UUID01a0ae87-7af6-7952-b9bc-86821bf827dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056738
StatusPUBLIC

Content hashes

Canonical text91a92ce3599f398837dc3552ee819d160f08057b142c4e02e4504f973614367a
Markdown94b488be050f73a41051228ec8caa82f0167d6c1e80813ecf4d87e587ab7059d
PDF
Publication page1a53fe99985651ad9938514a2eba666971f9339e5edef985c4baebfd71080f79
Manifest69520a53150e6c6054eff531815de862bd9ca81fe3fd7241dda008f48a20831c

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
SignatureuKUvAepwrfudtT6GsCLWVJpBiU2oiiuc9vi+mfdFHWezwKwHtI2NPKGBvrasv8GCCgH8hLDrgNGAoZ/5t+ujCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:10.600585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056738
observed 1a53fe99985651ad9938514a2eba6669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.580995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056738/manifest.json
observed 69520a53150e6c6054eff531815de862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.562291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056738/publication.md
observed 94b488be050f73a41051228ec8caa82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.543553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056738/publication.txt
observed 91a92ce3599f398837dc3552ee819d16...
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.