OpenTechnical

OT-2026-000039038

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039038) never changes.

Identity and time

Publication numberOT-2026-000039038 · never reused
Internal UUID01a0ae78-9672-76af-847a-e69896fca702 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039038
StatusPUBLIC

Content hashes

Canonical text38935617bde00d2d40f008073374a5f8e9220aea3d03ca4c89d907256b8b6e88
Markdownf6287e3524bb59c20e89fd846dd933a3f56e58a278c49b0317f1927c0f14c575
PDF
Publication page492374e17c3681d57198800bc5cdf120ee2d3205ced044ea472bf963d415463e
Manifest554083603337e4a6f7a12c46f4bb3b1aaca4d967c19550229e68eb19d8e63096

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
SignaturecRQoubhT8CQAWB8us/9te2cXNwKt/luyILzcisHI6U3Yema+/udDP2Nz0FjDg97OhpsvCMoDg83k+9bt1YH6BA==
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

2026-09-17T11:20:23.420746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039038
observed 492374e17c3681d57198800bc5cdf120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.402548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039038/manifest.json
observed 554083603337e4a6f7a12c46f4bb3b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.386424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039038/publication.md
observed f6287e3524bb59c20e89fd846dd933a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.366088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039038/publication.txt
observed 38935617bde00d2d40f008073374a5f8...
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.