OpenTechnical

OT-2026-000017680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017680) never changes.

Identity and time

Publication numberOT-2026-000017680 · never reused
Internal UUID01a0ae6e-96fa-70d3-834c-8b639ce04c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017680
StatusPUBLIC

Content hashes

Canonical text2b4087aa30dfd19a1439e65c727a9b9e7d5eae63b4267f9af6ae774b6e67c64b
Markdown5305426df4eb34505f15d9c91973461b0bc35b9aeb1a8bd30732f51f7962b8df
PDF
Publication page356f29a08737ac92ac7b24d72b316b77f212323a11890a94490b35a15c5a3882
Manifest960aa049ea66d851658baf9bb0690d32c403991530900fdc974e1786a15d3954

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
SignaturepZSCjDOaXoY5JArwcGffVwvAllrJb9W/pjhKIET4duyo8YQUiipFrJE7zSOW639cnHHeGqY5+J5veVlnRpzdAQ==
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

2026-09-17T12:01:37.229898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017680
observed 356f29a08737ac92ac7b24d72b316b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.212048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017680/manifest.json
observed 960aa049ea66d851658baf9bb0690d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.192345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017680/publication.md
observed 5305426df4eb34505f15d9c91973461b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.175100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017680/publication.txt
observed 2b4087aa30dfd19a1439e65c727a9b9e...
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.