OpenTechnical

OT-2026-000015368

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000015368) never changes.

Identity and time

Publication numberOT-2026-000015368 · never reused
Internal UUID01a0ae6d-ef49-7f0f-a0bd-08013707546b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015368
StatusPUBLIC

Content hashes

Canonical text22e4d83b99cc2e5b9201c903b429a91447fd17a77e77ec8b6549da98e32ef31f
Markdown0d0207de3851f48d956ad34a961e6a3f3f27e8ce329b1372ac1d52d1a2d40fec
PDF
Publication page10f57c0b6d1aff1751ff35d11b53abb084c881528afa41b6c58d08be4f9ba333
Manifest83924b272aed8de88177a9f9182b036b39f905857ff920defd2b99a02edbb940

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
SignatureVahaeL7v4aQElm9/ZVCpm2JAmrmScaFNkmA9nvHGNgVmqP27BYIbTtU+FQZYMPXo0bwjbXo+D9nIpziDCddTCw==
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

2026-09-17T12:06:04.871290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015368
observed 10f57c0b6d1aff1751ff35d11b53abb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.851788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015368/manifest.json
observed 83924b272aed8de88177a9f9182b036b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.830865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015368/publication.md
observed 0d0207de3851f48d956ad34a961e6a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.807916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015368/publication.txt
observed 22e4d83b99cc2e5b9201c903b429a914...
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.