OpenTechnical

OT-2026-000017559

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000017559) never changes.

Identity and time

Publication numberOT-2026-000017559 · never reused
Internal UUID01a0ae6e-76ca-774d-a6a5-c9f579a29e7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017559
StatusPUBLIC

Content hashes

Canonical textb1f44d16e4ceadb16b15167b1ece52a1d01ee4b89fd91262c9bd5dfa08da378b
Markdown9e476de8af3af54f3a9f2ce3f7ce7e77e3397682f69f8c089be9cf5f614ea3e8
PDF
Publication page2d0f6c98fa6a21d9b0b3c02f3a00c00bff867fc879cc0ae702101cd8fb671879
Manifest3be10366e037a28d9d50e4eaab6b086f7fec8968524f40c5e12f57dd412de154

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
SignaturefG/BB/q2XealGOgDc6aGcgRiua5PZdAocKbUwtfqQohkF+Y6B6/nsBMHLgvOT/pkHND7hj5lnaiGHpD0wwUeAA==
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

2026-09-17T12:02:43.676193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017559
observed 2d0f6c98fa6a21d9b0b3c02f3a00c00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.659179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017559/manifest.json
observed 3be10366e037a28d9d50e4eaab6b086f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.642593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017559/publication.md
observed 9e476de8af3af54f3a9f2ce3f7ce7e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.624278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017559/publication.txt
observed b1f44d16e4ceadb16b15167b1ece52a1...
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.