OpenTechnical

OT-2026-000018927

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000018927) never changes.

Identity and time

Publication numberOT-2026-000018927 · never reused
Internal UUID01a0ae6e-d522-701c-9e06-b8caa9814581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018927
StatusPUBLIC

Content hashes

Canonical texta59cc14980f74d0021cba135e75f52b3ae882b86b2a305a91dcd57c5b43d18d8
Markdownf43c69a924bb168bff863aafc38f6940bf303f52225b8b964155b2f4079d9372
PDF
Publication page1d9e8aec63438de8d20b88c97146f8c1db78de959f45853f2ab35389fa631f09
Manifestd776c0aeb9df1e604efa61bb5f15d64d2672542fbfe5a9a64c93a95c787e8bbc

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
SignatureUqlSJROKOLF8RQKA2XlNjgi0ftF+jhy5bZyiEy7BlwOOq+FL8W5MGZtIDpojHSVx+Tv+Ppn36oatKL4We9gdCg==
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

2026-09-17T11:59:35.330663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018927
observed 1d9e8aec63438de8d20b88c97146f8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.313380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018927/manifest.json
observed d776c0aeb9df1e604efa61bb5f15d64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.294230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018927/publication.md
observed f43c69a924bb168bff863aafc38f6940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.277761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018927/publication.txt
observed a59cc14980f74d0021cba135e75f52b3...
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.