OpenTechnical

OT-2026-000009223

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000009223) never changes.

Identity and time

Publication numberOT-2026-000009223 · never reused
Internal UUID01a0ae6b-31b9-773e-971e-d7b6527c3c26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009223
StatusPUBLIC

Content hashes

Canonical textefa5295184617a96b11e8443c55eff8f592843518ad307adb4560c08e2dd5c9d
Markdown0df03cf63af85bb4768937c4344127e12c15a884438e6da51e8f17b9760d8aaa
PDF
Publication page116bb19536d08c83953235141e97eea3fd75eaa1e6956dc613907ea2c169a36e
Manifest9cc8fa6f9c9bba60eb7c79dd22a9a278b442d11db32784966a8c1d999bc15a77

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
SignatureSMnBH7I6LdKnsc+3k56udTW+WQDSAghiY35ULmT0HbOaIcc5P0QuDELO+B0pfxoFL8NHyXFPKaXvdse1xf5xAw==
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

2026-09-17T12:17:57.147207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009223
observed 116bb19536d08c83953235141e97eea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.127644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009223/manifest.json
observed 9cc8fa6f9c9bba60eb7c79dd22a9a278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.110139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009223/publication.md
observed 0df03cf63af85bb4768937c4344127e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.090823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009223/publication.txt
observed efa5295184617a96b11e8443c55eff8f...
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.