OpenTechnical

OT-2026-000017227

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000017227) never changes.

Identity and time

Publication numberOT-2026-000017227 · never reused
Internal UUID01a0ae6e-76c8-794c-850c-9d1a86bfcb32 · 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-2026-000017227
StatusPUBLIC

Content hashes

Canonical text6967e1fb3b519bfe07bdef04f38b3768d93bdac4d302f4937b34a3675e045371
Markdown8159059ae25363f546f34c7c85aa6f1cabd99319bbbe28b0030bd864700d8afd
PDF
Publication page9d183e8a0114f8a29207a41dd5edab92d41aa21241ab73501240ae991ec78489
Manifest5329ecb501064ec163b0d97dfb77adf10fc9741b2a4232f811cba0798663bf52

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
SignatureOu0E34Aqyr6C20WGhnO8MropNbERqea7tN+BrB35oOJXVBxsJfVsOz90ba9suV4MaMYLfvi668nFvL21nGHuAg==
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

2026-09-17T12:02:18.443484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017227
observed 9d183e8a0114f8a29207a41dd5edab92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.427305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017227/manifest.json
observed 5329ecb501064ec163b0d97dfb77adf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.410051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017227/publication.md
observed 8159059ae25363f546f34c7c85aa6f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.392900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017227/publication.txt
observed 6967e1fb3b519bfe07bdef04f38b3768...
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.