OpenTechnical

OT-2026-000019017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019017) never changes.

Identity and time

Publication numberOT-2026-000019017 · never reused
Internal UUID01a0ae6e-d523-7ace-8bb6-c2383cb64275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019017
StatusPUBLIC

Content hashes

Canonical textb21a79795cdec15464dccef95a9289a7379a34f37eb39035b813dc2acb58da0f
Markdown0c1326a02f6f9edb9f70e971d40f7f97fc859c4e8effe525995974c4e84fe431
PDF
Publication page92c594409f0e7ac78249f9763a3d1224b2075fb86d23afce9f477880eddc3aad
Manifest567d008af0dcab4fb21b305c3730aa78db6adeea6638737df1e508cd711d98ff

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
SignatureggUhb9NmUPKTVoPVtsezU0dsxj05Mwcxivr3Yrhh3EGcV8WC833uV6/O2ccp/o1JiVf8Gj0RF4JZyKYFAWz2Bw==
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

2026-09-17T11:59:42.401698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019017
observed 92c594409f0e7ac78249f9763a3d1224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.384083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019017/manifest.json
observed 567d008af0dcab4fb21b305c3730aa78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.367779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019017/publication.md
observed 0c1326a02f6f9edb9f70e971d40f7f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.351754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019017/publication.txt
observed b21a79795cdec15464dccef95a9289a7...
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.