OpenTechnical

OT-2026-000069552

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000069552) never changes.

Identity and time

Publication numberOT-2026-000069552 · never reused
Internal UUID01a0ae90-b52b-74ce-b475-3f87f8d90f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069552
StatusPUBLIC

Content hashes

Canonical textb8a0d0a21f91e8ec39eced72d8054252d1221e5f6fcc953bcf5e8bf770aa11d8
Markdownfa2106135d5fce68d739d1f75e6c7411cafaf25d09b5391f787cd53f7954b5ea
PDF
Publication pagee1d668e9eb6cd3007db129921b9be7dafa8c7877799109f210cb75554ccf0100
Manifest418572db4614903933748851d76bb21a2b932c2f6bc2ce7ebe085c84458e45a3

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
SignatureQN38xUWcS/x6jZYkuCtFhsttiGUEncAyN3uKG5m9Zpi5Br3uX8GFUVT3fphDVzB+tsga6Bfa8LMUk74/wfvYCg==
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

2026-09-17T10:30:39.938632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552
observed e1d668e9eb6cd3007db129921b9be7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.920281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552/manifest.json
observed 418572db4614903933748851d76bb21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.901512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552/publication.md
observed fa2106135d5fce68d739d1f75e6c7411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.880316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552/publication.txt
observed b8a0d0a21f91e8ec39eced72d8054252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.088601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552
observed e1d668e9eb6cd3007db129921b9be7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.072624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552/manifest.json
observed 418572db4614903933748851d76bb21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.054977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552/publication.md
observed fa2106135d5fce68d739d1f75e6c7411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.038668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069552/publication.txt
observed b8a0d0a21f91e8ec39eced72d8054252...
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.