OpenTechnical

OT-2026-000016569

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000016569) never changes.

Identity and time

Publication numberOT-2026-000016569 · never reused
Internal UUID01a0ae6e-2d14-7973-9a60-d66b4e4ef451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016569
StatusPUBLIC

Content hashes

Canonical texte8e49c11080ce778e3178b6bf21f369b5b8551e5049549818b418fab32bff519
Markdownec209134ee6e333038ca0f00c7dd5797b451b81a216ba82fba1db3dcd58dbc00
PDF
Publication pagedd28ad39ba2bd86b907e0aa6b5169aa8e6793d2687da174de852aa1e36bd8baa
Manifest6b835a62302e85ceb956549ecb79ad195445d719f51d3c7ddfcdc4bb7ea9d1ab

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
Signature9FiS5MUoTpRMIEAoCX0OGb1C/ecAoZDSvU8bVHkIS1jne1b9emB+1/bKTG/Lz2UD5kbdqCZPYp72ReeLrIdmCw==
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

2026-09-17T12:04:47.988826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016569
observed dd28ad39ba2bd86b907e0aa6b5169aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.972045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016569/manifest.json
observed 6b835a62302e85ceb956549ecb79ad19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.951718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016569/publication.md
observed ec209134ee6e333038ca0f00c7dd5797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.932904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016569/publication.txt
observed e8e49c11080ce778e3178b6bf21f369b...
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.