OpenTechnical

OT-2026-000041477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000041477) never changes.

Identity and time

Publication numberOT-2026-000041477 · never reused
Internal UUID01a0ae79-b145-707a-981b-f896e3aae41d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041477
StatusPUBLIC

Content hashes

Canonical text8f23b71a0ce6205baab788f6806e408e3ef25e2a77b3b54453b187c7e88c16f5
Markdowne48f6fb140b80e02c8eb29d95e20c374d5b55c0c0948057c038dc30dffc3d02a
PDF
Publication page50cafe6e8f334ac149f42c1d6e5575ebb91aee094e85d39de314fc70a157efb0
Manifest919843cf51be86d89c6dfffb569bd30f48ee74f67e5c25a963a8800ef7ad61e4

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
SignaturerO4YDdJHK+uNjX7nr/wMnqcGDykVbWJWVNkmWoS5SQC26DGAYhJBcic+2rrtcm3S3NyUOLrgMofRhjBH9MQnBA==
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

2026-09-17T11:17:30.507952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041477
observed 50cafe6e8f334ac149f42c1d6e5575eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.489310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041477/manifest.json
observed 919843cf51be86d89c6dfffb569bd30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.470058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041477/publication.md
observed e48f6fb140b80e02c8eb29d95e20c374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.448527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041477/publication.txt
observed 8f23b71a0ce6205baab788f6806e408e...
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.