OpenTechnical

OT-2026-000048945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000048945) never changes.

Identity and time

Publication numberOT-2026-000048945 · never reused
Internal UUID01a0ae81-134c-700f-93de-166ea922b31f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048945
StatusPUBLIC

Content hashes

Canonical texta2fc62e31399be6b48efbe6b264accd176ab0ccda8185dee56776f498b60459c
Markdown9d0e6dedb29d6ca47ad421bac4287ff6fbf942b52f7564613d630f6825064198
PDF
Publication pagec3aa7eb328870b61583ef53e853970025413b4fb34db00a9045360a9bcd5df8f
Manifest15290649c77e606f1212f4e6409a7ce7189c460c0c7db82a23147da3e67e11ae

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
SignatureqJO1CokcuR2ogF1yUQp0BR6WwnqLM6QcIRK66R3f33caFAN9RyEj/2dIoPWcWBzvZhwa2qjZeFJRx+AyVmklCw==
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

2026-09-17T11:03:07.878926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048945
observed c3aa7eb328870b61583ef53e85397002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.858741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048945/manifest.json
observed 15290649c77e606f1212f4e6409a7ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.838152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048945/publication.md
observed 9d0e6dedb29d6ca47ad421bac4287ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.819081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048945/publication.txt
observed a2fc62e31399be6b48efbe6b264accd1...
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.