OpenTechnical

OT-2026-000052941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000052941) never changes.

Identity and time

Publication numberOT-2026-000052941 · never reused
Internal UUID01a0ae84-a42f-726a-8e82-ff4fbb4e2a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052941
StatusPUBLIC

Content hashes

Canonical textdd65abe4d251534d1c3c6fb199d84cad4e812ad16dc40acc6a1cd26f2f80986f
Markdowncbe2f47aade8e7296baa0b8bf2e88b7e4b056149e6d7a7d25f9c043a36e32c80
PDF
Publication page5eb83e9fc6d0a4ccfb09fb94f7afb2e22d3a1f130e461eea1796a2462ff0cbb2
Manifest98b2373219c7d25a89e47dc9b15182d42591f5ed421c31ef703c85a305d8f507

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
SignaturerDcvnrCFVbARz5OIfeQN2OHoOqI3bYarszmKxASdLm+xi35jyWJrjbXGRyw8q0QFFr5+pSj5M7DRIyFwCzVIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:37.191909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052941
observed 5eb83e9fc6d0a4ccfb09fb94f7afb2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.170648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052941/manifest.json
observed 98b2373219c7d25a89e47dc9b15182d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.151075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052941/publication.md
observed cbe2f47aade8e7296baa0b8bf2e88b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.132573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052941/publication.txt
observed dd65abe4d251534d1c3c6fb199d84cad...
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.