OpenTechnical

OT-2026-000007243

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, contact triggered, plastic cups, 1 fold

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-2026-000007243) never changes.

Identity and time

Publication numberOT-2026-000007243 · never reused
Internal UUID01a0a977-cbf1-76df-b0aa-8f55d69957e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:35.636285Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007243
StatusPUBLIC

Content hashes

Canonical text93fef0beba7a9b5dacfd01040e55dfdb415732b4ba416fc52d74a3362cf253e6
Markdowne1ff5c9069c458d6d3fe74ede1e66f3b750e899e6feb509e7bb8718acddd8a5c
PDF
Publication page8229d3810cbea5d3bddef66ca1fd72930226e1c3de7ff07b3c7735ca8bfbe58f
Manifest9315e9d2e271fea08b2682041049cec3e8e209fb5b9a83d53cf4e1aba9a78276

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
Signaturevhlt14f0I8L1hm1ZroQIDFtrw/8FWylxN6zxnw3xY2/LrD+PjFLEnz4p2ATG7SvBkXgScjmKpnS1TF7+GjDhCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:12.233775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007243
observed 8229d3810cbea5d3bddef66ca1fd7293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.220188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007243/manifest.json
observed 9315e9d2e271fea08b2682041049cec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.207632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007243/publication.md
observed e1ff5c9069c458d6d3fe74ede1e66f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.194228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007243/publication.txt
observed 93fef0beba7a9b5dacfd01040e55dfdb...
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.