OpenTechnical

OT-2026-000013345

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000013345) never changes.

Identity and time

Publication numberOT-2026-000013345 · never reused
Internal UUID01a0ae6d-6fc9-7fc9-81f0-d44aea03d12c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013345
StatusPUBLIC

Content hashes

Canonical textcf22fe72c24e5955cc69e467936aca1d1d2d3e8ea95ab464f90a0ac5413bf7ea
Markdown09c83101856b49ae7c2f3e1d27a6a3aeb3a6f36c7dc5eb29da13e225c3486fa8
PDF
Publication page211fd6bdbb0bfa74232a437beee652547c04a3014f3c223afb6744e653a32594
Manifest718004301853df8fe463a01001b4375bf9abd7a96b1f369e1234b58c00e6a2af

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
SignatureGWtNCXjdM9EZ6aGzYg9Xew/dieErbkSdfD97xv+aQl43t6ZJTAypUbr24ZgntEbYdtrsoT1PkG26n4VxS7NaDg==
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

2026-09-17T12:09:47.475343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013345
observed 211fd6bdbb0bfa74232a437beee65254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.454981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013345/manifest.json
observed 718004301853df8fe463a01001b4375b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.436326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013345/publication.md
observed 09c83101856b49ae7c2f3e1d27a6a3ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.415895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013345/publication.txt
observed cf22fe72c24e5955cc69e467936aca1d...
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.