OpenTechnical

OT-2026-000007458

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, two stage ejector, polyurethane cups

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-2026-000007458) never changes.

Identity and time

Publication numberOT-2026-000007458 · never reused
Internal UUID01a0a97f-89b8-75ee-ba5a-47c0fd50a528 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:02.970960Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007458
StatusPUBLIC

Content hashes

Canonical text9d0cb4c49738d47dae98128322c1277618c79dee702db32bb7ad96c302c6f4ed
Markdown58768a172f69cc3b2a226a5a418915207654fba323d9b08f574bb3f0d3c80e81
PDF
Publication page6baeb6b99e907e56faab01a8ae6b5988b7823a41d72b971ca6fbc0f010e855fb
Manifest1bd6f10c59e7e63a81a35f4431872a479e07736a48d0f6a5d979acd4547cbf70

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
Signatures2A4rKu6ct8lOswCSo7Zn9tDa0/zjyFee9+ZNi0i3YaVs2wA8JKdAtTeY1XuOAg3c+izd1PSvGJ39ZBia+7PBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:04.279786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007458
observed 6baeb6b99e907e56faab01a8ae6b5988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.266529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007458/manifest.json
observed 1bd6f10c59e7e63a81a35f4431872a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.252602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007458/publication.md
observed 58768a172f69cc3b2a226a5a41891520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.238032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007458/publication.txt
observed 9d0cb4c49738d47dae98128322c12776...
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.