OpenTechnical

OT-2026-000038627

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038627) never changes.

Identity and time

Publication numberOT-2026-000038627 · never reused
Internal UUID01a0ae78-2d54-78bb-adc1-9aefba62b93b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038627
StatusPUBLIC

Content hashes

Canonical text4a9be0d460c9151802e17851162b4a64f75d820011943f07dbcc1fca4973b25a
Markdownb6c4f62d8af812d320845e88815c3f4ce3815c4dd541907e48c09f1c79447beb
PDF
Publication pagedf31456e4549a0e8fa6db2fe49c79a9ff619c5b83aeea29c5e5bfc5d502cff1d
Manifestc8865aa373d22d53e3a8f9e79b34f118619a5ab89b138e84423ba8a0811f4802

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
SignaturesxaxOaZ86vCqptAzvYm532eKq3MkokuZtzpUcowT5pTYtWPrjLlRmYipHVI4mZ9t6Hv3bXUVehU0lVQOFdIbBw==
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

2026-09-17T11:22:55.505776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038627
observed df31456e4549a0e8fa6db2fe49c79a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.483392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038627/manifest.json
observed c8865aa373d22d53e3a8f9e79b34f118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.460738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038627/publication.md
observed b6c4f62d8af812d320845e88815c3f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.436440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038627/publication.txt
observed 4a9be0d460c9151802e17851162b4a64...
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.