OpenTechnical

OT-2026-000047542

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000047542) never changes.

Identity and time

Publication numberOT-2026-000047542 · never reused
Internal UUID01a0ae7f-3e59-77d9-ba15-97f4e7b90f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047542
StatusPUBLIC

Content hashes

Canonical textac7fac6d995e17b5f5c09a137227f7f68fcdb7509d12af0cf01e0f123d82da4b
Markdown8181be84de86b90816fddc9d173b529ecd862633f2c4f599a57640be89e52893
PDF
Publication page21e1c49ab3c77e05ba5a528caeb800a39a857b7ec44f57307774cb16ebcb5c09
Manifest6486d48c0685ce89771c8071040164da0043bb8787d5b9502fa37a92217d0924

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
Signature/16h2rq/cEfGIPXxEMwTf1uPI+dxuWWPoV0JpLmWJXsD6OBSjRV8u5MCPI1kJtnujwHZTEOsC5Dd0ygHvsiACQ==
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

2026-09-17T11:06:39.571641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047542
observed 21e1c49ab3c77e05ba5a528caeb800a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.554154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047542/manifest.json
observed 6486d48c0685ce89771c8071040164da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.535892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047542/publication.md
observed 8181be84de86b90816fddc9d173b529e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.518663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047542/publication.txt
observed ac7fac6d995e17b5f5c09a137227f7f6...
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.