OpenTechnical

OT-2026-000043169

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000043169) never changes.

Identity and time

Publication numberOT-2026-000043169 · never reused
Internal UUID01a0ae7b-327c-7601-b1e5-0e3c58c7be46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043169
StatusPUBLIC

Content hashes

Canonical texta007c2232a2e3492e9c126638098d935563f0d9cfa14f754dacceb57f4a9385d
Markdown078b45207d036dcdb3d7cb335331ad2099adee79fac4247008eeed5cd7b1fd4c
PDF
Publication page16095663fabea93118641574dcd66cb820c901d712e4c51707e61762651ebc05
Manifest0bba23e8cc31b789dfa0be4b3cec4700d9b8c1a0f72f7fad2a9bde352784baf5

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
SignatureWkUIQH31eTygGvIcFf3esYh5FTW5JKfjkstA4PEc5BedJr4ki8H56W+6+JYrRfNR/OV0qJDyO3izYyKVxD1kAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:36.911663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043169
observed 16095663fabea93118641574dcd66cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.892080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043169/manifest.json
observed 0bba23e8cc31b789dfa0be4b3cec4700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.872909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043169/publication.md
observed 078b45207d036dcdb3d7cb335331ad20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.854448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043169/publication.txt
observed a007c2232a2e3492e9c126638098d935...
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.