OpenTechnical

OT-2026-000043429

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043429) never changes.

Identity and time

Publication numberOT-2026-000043429 · never reused
Internal UUID01a0ae7b-327f-7185-90d8-f206560d7afe · 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-2026-000043429
StatusPUBLIC

Content hashes

Canonical textc410ce090147da5f51f61b18a9a911b3d0283fd82982ae8e1fc3772b96fc1d9c
Markdownbb64050f5263cc2ce0b9b7b70b477ce4080382c50b9fd2756ea6e72146e9594d
PDF
Publication pagea23f0e9d9c31fbf363a68a631aff83f14b1bad83b4dcbe3efea1a491dba70e67
Manifest6e0edeca8060ef1dc69e78bbac52137fbb0158b17f605482f6f58e043ecb462a

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
SignatureCbgbdLR3zRZmJVD8UfICJiW8LaAw8YhEMmp+gI/I92paLuo4PFY16Kme+jRJ2Pm/5QkZHcFH3lZc4npE4TzUAA==
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

2026-09-17T11:13:58.449128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043429
observed a23f0e9d9c31fbf363a68a631aff83f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.429137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043429/manifest.json
observed 6e0edeca8060ef1dc69e78bbac52137f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.410736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043429/publication.md
observed bb64050f5263cc2ce0b9b7b70b477ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.392802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043429/publication.txt
observed c410ce090147da5f51f61b18a9a911b3...
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.