OpenTechnical

OT-2026-000063421

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000063421) never changes.

Identity and time

Publication numberOT-2026-000063421 · never reused
Internal UUID01a0ae8c-f944-7db4-a915-7a53602bedd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063421
StatusPUBLIC

Content hashes

Canonical text6318a0c59bd1eb9bef85200d5505f995d3a0a3dc27522e4cda50349297d07e4d
Markdown2a6d641ec0f7eec7913790145971dd82e091d29c048334d83600d2307f3d81b7
PDF
Publication page3429c35269a182423013259b46a3664626278968cfdf362e2abd9f3fb352eb86
Manifest32dfab33dab229d65771b137b0cc050f66ab488257df82fd00c0631c2f2c9965

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
SignatureiTQxqXSGLXSai9P5r8Ge4kSMOZnbET/2R1aTObRP0vqAFoAWrhz7hMI1VuTXAPvXfuX3j3zkxp/mvdV5ajDsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:20.677253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063421
observed 3429c35269a182423013259b46a36646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.658398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063421/manifest.json
observed 32dfab33dab229d65771b137b0cc050f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.609020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063421/publication.md
observed 2a6d641ec0f7eec7913790145971dd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.562429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063421/publication.txt
observed 6318a0c59bd1eb9bef85200d5505f995...
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.