OpenTechnical

OT-2026-000041724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000041724) never changes.

Identity and time

Publication numberOT-2026-000041724 · never reused
Internal UUID01a0ae79-e8a1-74c7-b61e-6ad7323fd3fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041724
StatusPUBLIC

Content hashes

Canonical text839da43bb421ad725ae0e13c2f66d2bd40b844471671da5383b4dbf2e3e828a2
Markdown8ef008adfe02c4cc1e2258bc0916f5bf5020e9dac96d9ce2e3889864ce3ee176
PDF
Publication pagecdd076879edd5cc75e4f0647e8a681168e0a9526be72564dd87d75c875d9f3d2
Manifeste3ee0d23035508e7693565440308f1daf72b013862b44eb9cb3cff42b7507bd3

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
SignatureKl6cKKDEJEj9oLonifXyfFQTTiUzVkufgAgB/wY7FL6LC37kCAVBtmKOh8OfBOPbdj6sjx0hM+uH9gtDLxS4DQ==
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

2026-09-17T11:16:33.854883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041724
observed cdd076879edd5cc75e4f0647e8a68116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.838345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041724/manifest.json
observed e3ee0d23035508e7693565440308f1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.819850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041724/publication.md
observed 8ef008adfe02c4cc1e2258bc0916f5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.802465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041724/publication.txt
observed 839da43bb421ad725ae0e13c2f66d2bd...
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.