OpenTechnical

OT-2026-000017701

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000017701) never changes.

Identity and time

Publication numberOT-2026-000017701 · never reused
Internal UUID01a0ae6e-96fa-758f-b194-1cefc70fff1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017701
StatusPUBLIC

Content hashes

Canonical texte3eb81afcffa2865578b2bcf8c464e10ad8d18fcd05643d766fc83a81cdc3df7
Markdown42db0420f8074670d2caec74e3e5e96d2b74a941ded2108a7d21bc45a9535522
PDF
Publication page2a50edf58018dfb5b6434d8f72e5a3ed474d5cdbccacda91b5fefed74f7571ec
Manifestaf684673377c8d8848b560c0558e92c8bf8a57798944bbe313348212b666699e

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
SignatureJ9PtuCaW2dOH5qmuf+HdABDF3RudZKcNU7dE+/tyIjUk+9tn7IKUJwtfimBReItokI0jVrMP57fVckimsPoIAA==
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

2026-09-17T12:01:39.093164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017701
observed 2a50edf58018dfb5b6434d8f72e5a3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.078321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017701/manifest.json
observed af684673377c8d8848b560c0558e92c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.062467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017701/publication.md
observed 42db0420f8074670d2caec74e3e5e96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.046920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017701/publication.txt
observed e3eb81afcffa2865578b2bcf8c464e10...
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.