OpenTechnical

OT-2026-000057014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000057014) never changes.

Identity and time

Publication numberOT-2026-000057014 · never reused
Internal UUID01a0ae87-d5b5-7ec3-95ea-0b3f2f6c3c7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057014
StatusPUBLIC

Content hashes

Canonical texta15da4ba8e2af5b95d4f3ca2ca42c79c045224630d70a126b24cd4b884cea41b
Markdown96f1c11bda467f92265b89a7db93d101d53c228d6886f27462b83d65eea5bcf8
PDF
Publication pagef2e37ec1bf51057d18b4d7e659cd9a3a24a2ea2363d1f4be21924ca8bfc7d65b
Manifest3da8567d4f9a1c3ab34a3eb266523098e08607f6dc232db0f2e80f1c984703a8

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
SignatureF6JFUtKzR9hOq+jpcyjTxHo88WRTqVQHIX7yMcp84NUFYYrvgBN13kUSJ64HtdQRVhkZsjx+qhz4lfeDCxgLBw==
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

2026-09-17T10:48:29.360947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057014
observed f2e37ec1bf51057d18b4d7e659cd9a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.343884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057014/manifest.json
observed 3da8567d4f9a1c3ab34a3eb266523098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.326088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057014/publication.md
observed 96f1c11bda467f92265b89a7db93d101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.307592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057014/publication.txt
observed a15da4ba8e2af5b95d4f3ca2ca42c79c...
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.