OpenTechnical

OT-2026-000069536

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000069536) never changes.

Identity and time

Publication numberOT-2026-000069536 · never reused
Internal UUID01a0ae90-b52b-7ef0-8c94-a10659bdbcc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069536
StatusPUBLIC

Content hashes

Canonical text6cb673c8241f92c29283b9409776dc27dda6bd305864deac168555a82c10b99e
Markdown956f749051c2edefb0374f32b800540bc0fcd7fadce64e5efb06a9588fcb6ab5
PDF
Publication pagee79758a6e6fb2e39695c9fcd7975277b9348a037faa11777610cccb3c87793e1
Manifest25f3405c90881bcef40371839932a3a07505dc45c342789fd64303926f41fbe0

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
SignatureNS5q44U1VgfwBuM7fEC6Ym206dSZFJpm8G1xVrG8JzH27OYsfcEYq3ghnikplPdWKcxBY4SLgw9Giq0gHZ4DCw==
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

2026-09-17T10:30:38.754137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536
observed e79758a6e6fb2e39695c9fcd7975277b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.735866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536/manifest.json
observed 25f3405c90881bcef40371839932a3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.719564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536/publication.md
observed 956f749051c2edefb0374f32b800540b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.700829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536/publication.txt
observed 6cb673c8241f92c29283b9409776dc27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.990992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536
observed e79758a6e6fb2e39695c9fcd7975277b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.973200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536/manifest.json
observed 25f3405c90881bcef40371839932a3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.954770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536/publication.md
observed 956f749051c2edefb0374f32b800540b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.935089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069536/publication.txt
observed 6cb673c8241f92c29283b9409776dc27...
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.