OpenTechnical

OT-2026-000104489

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000104489) never changes.

Identity and time

Publication numberOT-2026-000104489 · never reused
Internal UUID01a0aea5-3422-717c-a719-53078ab62b0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104489
StatusPUBLIC

Content hashes

Canonical textd8624f351feec66eba60b0c9e06f9abb2bd3e4c1d412cdd860ec06c72d39b346
Markdown937f9c83723fc5c19047131558e956f0c78d972a18f5bde0e562b6f6eeefe3f1
PDF
Publication page4be7d55a5b0135e08311e71358c605c1c2a05277cbc8d4d3f6bc47e0364daddd
Manifest05f724e0e347c7ced74478cdc63b411934c241ce78f88462f5ee6835cc488edb

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
SignatureQ2ZjG77qHboyopLxGobnadQmETmXMwpEAJgpfzWD9IVYFfrGlwkKWl2/L9iz1xfMNp7ov2znazU2uFxHv94tDQ==
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

2026-09-17T09:21:46.779935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104489
observed 4be7d55a5b0135e08311e71358c605c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.761482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104489/manifest.json
observed 05f724e0e347c7ced74478cdc63b4119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.743547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104489/publication.md
observed 937f9c83723fc5c19047131558e956f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.724400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104489/publication.txt
observed d8624f351feec66eba60b0c9e06f9abb...
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.