OpenTechnical

OT-2026-000018625

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000018625) never changes.

Identity and time

Publication numberOT-2026-000018625 · never reused
Internal UUID01a0ae6e-d520-78ca-bbaa-58ec01a6bf80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018625
StatusPUBLIC

Content hashes

Canonical textb9fb57499ba712bb9d3943361552ddb52994a4bdfa300dc0289b2260e7fb3534
Markdowndeb87f405598e030a7c24d0b627f245fdfc653644911a87701702e01d80fadb6
PDF
Publication pagea11125232d5f972da5c5325562279256aa7abcec6ad120e086f1460ff9d7185b
Manifest5ee1075d438671a692b762593b7adad57d2ae1c954a17ab7ff8e795a593d1817

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
SignatureIg3KOyq9F7h5AZdWWW4S7mRwC5fkZGUFAmYU7JIKDeI1ptvzVO3ELXIQb5fGUq1hpgZO3kETcYn9xXHR1j05Dg==
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

2026-09-17T11:59:07.433972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018625
observed a11125232d5f972da5c5325562279256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.415977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018625/manifest.json
observed 5ee1075d438671a692b762593b7adad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.397434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018625/publication.md
observed deb87f405598e030a7c24d0b627f245f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.377529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018625/publication.txt
observed b9fb57499ba712bb9d3943361552ddb5...
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.