OpenTechnical

OT-2026-000084590

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000084590) never changes.

Identity and time

Publication numberOT-2026-000084590 · never reused
Internal UUID01a0ae98-e25b-7fed-bcd9-92fe8389186b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084590
StatusPUBLIC

Content hashes

Canonical textc5c410c45d06454f519911ff4f616e0846c0ce21cd21da1b6704fd77d7c2fcbc
Markdown6a7f3b0747946f9944e37633e1ce2a12c2605376cb68051944a78c11a3dce339
PDF
Publication page17a64473b3140387d0d24383ca20a0a5dab18169e50b55ad3ccd04219bcd05d4
Manifest837672ffdda6ad2ada654ef38c7123828608a17d6f26e0f9bed91e1e28c41209

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
SignatureaGNhgVvqXWFRGPc3YamaE28ydd8Xg6UKdHfBN5iPhWiY9dGN0YON1STsCIOejCUuHs74X9gtGL+KUGybNxygCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:29.615353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084590
observed 17a64473b3140387d0d24383ca20a0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.599447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084590/manifest.json
observed 837672ffdda6ad2ada654ef38c712382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.581052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084590/publication.md
observed 6a7f3b0747946f9944e37633e1ce2a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.563099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084590/publication.txt
observed c5c410c45d06454f519911ff4f616e08...
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.