OpenTechnical

OT-2026-000061848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000061848) never changes.

Identity and time

Publication numberOT-2026-000061848 · never reused
Internal UUID01a0ae8b-b8ac-774b-885c-911b30f1b36d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061848
StatusPUBLIC

Content hashes

Canonical text09d0f875e1f810f881ba38dd9f152480c019071599f81c506e5cf3d4adc4b45c
Markdown970438c7749a00ba3d79f85bc05490e28305a52cf81d002257674bdc82b3e18e
PDF
Publication page2c071e71be77226ce651a88eb49fbe72c9ec331c7634dbe9bed93047c191ce66
Manifeste57a5f64151e05e7d3aec7b0fab82fde1f9c4559b118e7cc5b5c5764ab3a4083

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
SignatureGA4Zfc6on1nR9AFc/J9Gj0KqoQTaXyhiqqXDH1MODe7H3+8s2fake7jt7pMbkfLJKAFcIsSGqrNjyoy1hIYaAQ==
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...

Independent retrieval

2026-09-17T10:40:41.969606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061848
observed 2c071e71be77226ce651a88eb49fbe72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.946517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061848/manifest.json
observed e57a5f64151e05e7d3aec7b0fab82fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.925898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061848/publication.md
observed 970438c7749a00ba3d79f85bc05490e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.906184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061848/publication.txt
observed 09d0f875e1f810f881ba38dd9f152480...
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.