OpenTechnical

OT-2026-000104543

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, vented after 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-2026-000104543) never changes.

Identity and time

Publication numberOT-2026-000104543 · never reused
Internal UUID01a0aea7-239f-77e5-bf4c-941314c8651d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104543
StatusPUBLIC

Content hashes

Canonical text4a87191e6234966b0ce9c21b5aec0c5f1f84f4ab66dbae56f80c96c6275d11f9
Markdown2bd874876302f3e40ca5cd3c3dd8acf06d257bed2ae0029cef853113791c4d68
PDF
Publication page0da168ed04bacec5105d0411adc7fa72b9e5ff9b1ddc18f1cfacf99bc6b14ac2
Manifest924436785e01a5ef2558bb881c3e18519bd9a038f8a909511fa155a25135a015

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
Signatureev5rOvkgJWUgKTabuozIJqtSC60vTqQJjyUOW5nJoMdW1UuWQzsNnQFfVasaus7e7tjTZrU7/XgY+V8agvcuDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:03.758469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104543
observed 0da168ed04bacec5105d0411adc7fa72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.741402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104543/manifest.json
observed 924436785e01a5ef2558bb881c3e1851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.722050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104543/publication.md
observed 2bd874876302f3e40ca5cd3c3dd8acf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.704283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104543/publication.txt
observed 4a87191e6234966b0ce9c21b5aec0c5f...
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.