OpenTechnical

OT-2026-000076446

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000076446) never changes.

Identity and time

Publication numberOT-2026-000076446 · never reused
Internal UUID01a0ae94-6a71-7748-951d-5955a4b84a85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076446
StatusPUBLIC

Content hashes

Canonical text258fe82deb22ec6122796ab141755be624aa7b00950da88b4cc4f1dd831b0afd
Markdown170a52a8e6747acc2010dce5eddc43017e7882a9691491d2364712baa903f8e5
PDF
Publication pagecf0e3ee6bb2a8903ab0c5ba97a78e0c779ee72e8a0db857f7b5653a307e7f2c9
Manifest2b84b101f3ae3bc9070f5a28c8f3ee24d1915594ea79e033d90efb8a94456dc5

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
SignatureDfopU6gndYANkhCwX/g+dj5UaKQlerF6JrtDYRljuFrCLPJLXXNzaVZuRHfhxPsbmCN7djVpKCtsjI6HhekbDg==
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

2026-09-17T10:12:33.216615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076446
observed cf0e3ee6bb2a8903ab0c5ba97a78e0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.197618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076446/manifest.json
observed 2b84b101f3ae3bc9070f5a28c8f3ee24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.054185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076446/publication.md
observed 170a52a8e6747acc2010dce5eddc4301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.034166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076446/publication.txt
observed 258fe82deb22ec6122796ab141755be6...
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.