OpenTechnical

OT-2026-000025297

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000025297) never changes.

Identity and time

Publication numberOT-2026-000025297 · never reused
Internal UUID01a0ae71-5fa6-7fae-a239-7c0a3483fbda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025297
StatusPUBLIC

Content hashes

Canonical text206a25580fdee846feb459dd0b3b01b924a4ee743452d154500d37d943fe5865
Markdown7f3bb877b5f7951dcd4cbb4c58065cb6efdc868276a154ada113adc5418d0ce3
PDF
Publication page06f207a35fd60efe29fd60836f38f2d8b5c4d1c76cbadcff8979fda5cfe7c52b
Manifestce9bd0cc994a1765c1563722f6b34cad0a437b5902ab003d51d400a70ec67ec7

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
SignaturebFGFouTub23v8a6nll8tFPcxe4yJTYNDL7vGi1BhwBkld6OmAKBlXEarRiWSKorbZkpqRdcYIzjDGH8pQj9/DQ==
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

2026-09-17T11:47:18.868714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025297
observed 06f207a35fd60efe29fd60836f38f2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.846394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025297/manifest.json
observed ce9bd0cc994a1765c1563722f6b34cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.828605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025297/publication.md
observed 7f3bb877b5f7951dcd4cbb4c58065cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.806462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025297/publication.txt
observed 206a25580fdee846feb459dd0b3b01b9...
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.