OpenTechnical

OT-2026-000050005

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000050005) never changes.

Identity and time

Publication numberOT-2026-000050005 · never reused
Internal UUID01a0ae81-fd78-7aa6-b89d-3bc111ca942d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050005
StatusPUBLIC

Content hashes

Canonical text373a714cd8bfdb5c0ea6e25e1b6c8f9d34b3249cb62e60dcfad8dfa5ca01d866
Markdownbc15c0a37904270f6631749d75ee756bfcf8476302197e7a62c37ce59130ac3e
PDF
Publication page320cdee1e0a27d17eb79f39fc2620d8c2395ab15ce6f6eaeeb26c635235c8349
Manifest0a1d2931b1d15488d4bac9694ec3f1b05c85d72ea4dc58387ed8daadb6852776

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
SignatureKPfXO2umSsqpXEWIALAo09sSXOCkhTO6B4o5bvcp3he9sDeah6/aZnVG65mfXuXi+BVFZGFOOtP+EFfwdQIFDw==
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

2026-09-17T11:01:57.951658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050005
observed 320cdee1e0a27d17eb79f39fc2620d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.931846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050005/manifest.json
observed 0a1d2931b1d15488d4bac9694ec3f1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.910369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050005/publication.md
observed bc15c0a37904270f6631749d75ee756b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.888179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050005/publication.txt
observed 373a714cd8bfdb5c0ea6e25e1b6c8f9d...
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.