OpenTechnical

OT-2026-000050182

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000050182) never changes.

Identity and time

Publication numberOT-2026-000050182 · never reused
Internal UUID01a0ae82-5c45-76f3-959d-1b1b7190839b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050182
StatusPUBLIC

Content hashes

Canonical text437f17533e781ba61cff3d7bfbc67f251dacb65013b7dc296ada04556a1fffa5
Markdown38efae157f3f66773ba97d121f0137c7142f4480eee4ec548f2906796250f70c
PDF
Publication pageec2af92d866d768daa0ecf1a47defde3016012aba830d8e35a3500d5c5dd240e
Manifest925d51fb4653d8c16fa87b9ef0ce962f9c365dca9e5a5d9a57ff3b6b283fca7b

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
SignatureQ8x1Y2FyCJbGdUj/hwdT202mterpYzPf/cckPQQHBt9ZbiV3VKpWYZ0HVqb+KbWfuisRmBjelTKLruV9BoQAAQ==
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

2026-09-17T11:01:09.880968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050182
observed ec2af92d866d768daa0ecf1a47defde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.863227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050182/manifest.json
observed 925d51fb4653d8c16fa87b9ef0ce962f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.846492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050182/publication.md
observed 38efae157f3f66773ba97d121f0137c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.827830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050182/publication.txt
observed 437f17533e781ba61cff3d7bfbc67f25...
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.