OpenTechnical

OT-2026-000071885

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line 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-2026-000071885) never changes.

Identity and time

Publication numberOT-2026-000071885 · never reused
Internal UUID01a0ae92-1e93-7423-be75-de349cab75e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071885
StatusPUBLIC

Content hashes

Canonical textec800229fb4e15402bfaf493cecca901ed2806b8b56ab7475cd3ce0961d4b1f1
Markdowncd4ffdfa11d494bacf5ea1a89debade9a27ca360d5a16557b3d558e2ca0016a4
PDF
Publication pagef984383998689c0266cf00e5265e7f052128a9ce8ff1f37bb838b6c12ba1505c
Manifest17d508b09a1bcd95c117e7516d7cef7b7b7d2cea66d0e26c859fea32597d4adf

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
SignatureE1TUd3GrisomxXwqJxGx0dgeH8QLcGyZyesPJyaog+AhwvqYfVe8hGUhXHSkQCAtDgB+51NONYyuA72Febi8Aw==
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

2026-09-17T10:24:35.500266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071885
observed f984383998689c0266cf00e5265e7f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.479979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071885/manifest.json
observed 17d508b09a1bcd95c117e7516d7cef7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.454636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071885/publication.md
observed cd4ffdfa11d494bacf5ea1a89debade9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.436611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071885/publication.txt
observed ec800229fb4e15402bfaf493cecca901...
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.