OpenTechnical

OT-2026-000043189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000043189) never changes.

Identity and time

Publication numberOT-2026-000043189 · never reused
Internal UUID01a0ae7b-327c-7997-89af-8557c5c971f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043189
StatusPUBLIC

Content hashes

Canonical textb93644b4f3480da6aa1177caf9ab9b7be3a63f9c369ff25ebc16b271bc03497f
Markdowne8e9e6a81b240d9bdbda94414eaf632367c076b5a0811d0567e6ac8f223efbdb
PDF
Publication page9c2f60d8a5bb212dd1c4781731354f33b9fdb49476d340aaf76deae5e5f39a21
Manifest22ed31f9c34d5f33efe057965be68f5ad3cb71e568231d64cb0baf8c82a4abd5

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
Signature6dgmUyg3KpdxgvJ0JzC9Mhk2m3RphUObuYBlvDalqMb+GtHpbdOjOm+l0A6GOoHK0MYIVCaF72aim0OxJW4nAQ==
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

2026-09-17T11:13:38.617920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043189
observed 9c2f60d8a5bb212dd1c4781731354f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.599069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043189/manifest.json
observed 22ed31f9c34d5f33efe057965be68f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.580592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043189/publication.md
observed e8e9e6a81b240d9bdbda94414eaf6323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.560512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043189/publication.txt
observed b93644b4f3480da6aa1177caf9ab9b7b...
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.