OpenTechnical

OT-2026-000008729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000008729) never changes.

Identity and time

Publication numberOT-2026-000008729 · never reused
Internal UUID01a0ae6a-e46c-79b7-abf8-bcacc7c22bfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008729
StatusPUBLIC

Content hashes

Canonical textb97c2246c060567eede30e0fe31cbac06da90d71e684af9f8016eb987864569a
Markdownf1ad6fd4442ef2d1deebb4e4ca1814a71284774331cdaeb8b9f20cb8a69f8a07
PDF
Publication pagea28b4d23d43bbf033d9182165911e0c9d903b7a1c4a35299fd13440744313a75
Manifest82a23b2032ca41096c7bd7da39e0a496e7296139f172ca227d782ce8f46d9b6e

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
SignatureecMqmZRdFV/TBjto4fXQgou/IwEhqgl9KtQUrrnKs49ZkIcTX6tJG5nzR3DQ62CYGevS9r5XjgrvgZw0rl/jBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:48.821781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008729
observed a28b4d23d43bbf033d9182165911e0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.802765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008729/manifest.json
observed 82a23b2032ca41096c7bd7da39e0a496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.781468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008729/publication.md
observed f1ad6fd4442ef2d1deebb4e4ca1814a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.753733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008729/publication.txt
observed b97c2246c060567eede30e0fe31cbac0...
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.