OpenTechnical

OT-2026-000042653

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000042653) never changes.

Identity and time

Publication numberOT-2026-000042653 · never reused
Internal UUID01a0ae7a-c0ce-798e-a82b-8d90e0c3d1b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042653
StatusPUBLIC

Content hashes

Canonical text9e5177f87af735c75c7794d3501f08f728954432860e20d1e9ae61e8a9b9aae3
Markdown82d3435afd7f734e1bcc520de8d4039856ef40e1672bd81490c5ee1d12570a7b
PDF
Publication page14df7cf1f1c320e7a297361d2e0f3a93dd7e9dbc97d51b5f08af4522f2858df7
Manifest41b06d748d68e24458f5814c1bfd9c8dbdf17c3cbf3624aa11b6e9b30c0c26ec

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
Signaturel0HHs1Rre5sFrjOb9RL2eED+CfIw1pEWKeFN7FI1fe+pBuT2YftRzAF/MeFfkqwoQeEk6FwMqyHZCJURLUYUDA==
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

2026-09-17T11:14:23.651881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042653
observed 14df7cf1f1c320e7a297361d2e0f3a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.633704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042653/manifest.json
observed 41b06d748d68e24458f5814c1bfd9c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.614442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042653/publication.md
observed 82d3435afd7f734e1bcc520de8d40398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.593736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042653/publication.txt
observed 9e5177f87af735c75c7794d3501f08f7...
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.