OpenTechnical

OT-2026-000054133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before 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-2026-000054133) never changes.

Identity and time

Publication numberOT-2026-000054133 · never reused
Internal UUID01a0ae85-b3a8-7ef9-80e7-1c73b4cb90a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054133
StatusPUBLIC

Content hashes

Canonical textc653445c3c8d35382e4087a603b83acdbae2848fada7d27a1b6418f1deeb1dc7
Markdown71b9ba9b38fe9386f4bcce2107d55493d3aea67484af60d3d385364a39d73f96
PDF
Publication pageb8d4d0ee4faa43cf76bc6d01053a48a7ddbe620eeff21545de0819a09b3a45e3
Manifest84ee5feafdaa3a4f7b5954a410a174c774258634f66b21591a15761f18882e12

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
SignatureLybGUe1wlRv7E7R3JWRiiA2wfpGlZFuFkn9FohJRSpJhqNIe3CpBF4V5z+pZ2khb5C0/Q6Cb6Kyr71TIJDVlBA==
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

2026-09-17T10:54:33.659808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054133
observed b8d4d0ee4faa43cf76bc6d01053a48a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.638790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054133/manifest.json
observed 84ee5feafdaa3a4f7b5954a410a174c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.616341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054133/publication.md
observed 71b9ba9b38fe9386f4bcce2107d55493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.594935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054133/publication.txt
observed c653445c3c8d35382e4087a603b83acd...
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.