OpenTechnical

OT-2026-000019579

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000019579) never changes.

Identity and time

Publication numberOT-2026-000019579 · never reused
Internal UUID01a0ae6e-f394-78fa-a966-6545ef0bd385 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019579
StatusPUBLIC

Content hashes

Canonical text9749a35dca97e560895fd9f23bd0797e007c8c4cba1edd42be82eed6b1b8d547
Markdowna5c51b25b6f86c03e815e3439e94ac8625c026d6b020a075e5c79aa68ecaca70
PDF
Publication page1b4cee5cb4bbc79e02460afa807ff462072aa9946f20cc01ad755fdb7288c118
Manifest34702326f42ffebbe8c7b2b1c2997dc9d2952d7ab4823975e660b4883e70aeb9

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
SignatureYhvbgYfHgwxb+rQ9srBTKmlBHfB1Fei6O4zfl4SxUTuedMUEc+LfxQXcojwz+9aYHkEEjxdPCLvDl/c50RdaDw==
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

2026-09-17T11:59:01.630776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019579
observed 1b4cee5cb4bbc79e02460afa807ff462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.615138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019579/manifest.json
observed 34702326f42ffebbe8c7b2b1c2997dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.599239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019579/publication.md
observed a5c51b25b6f86c03e815e3439e94ac86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.584282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019579/publication.txt
observed 9749a35dca97e560895fd9f23bd0797e...
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.