OpenTechnical

OT-2026-000047868

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047868) never changes.

Identity and time

Publication numberOT-2026-000047868 · never reused
Internal UUID01a0ae7f-c421-78a9-9769-991814e5366f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047868
StatusPUBLIC

Content hashes

Canonical text5f5b199ce4890709620f9c2f3d55f616609701d3ac6ccd090814bccde6c35df0
Markdowne60a876d4d3ffc60fc7be8fce601a45a7de1df24e72f03d2767d63a137badec9
PDF
Publication page3fb345da6dd5041bd000581421038d4aa5d2338ed32f2ff08aa5bceab8b2c7f0
Manifestbdfdd8a63686c9ea94c3973f85b43013d000d635e33d07ee0d2c6422fda3fba6

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
Signature2ji368OPcsInyCtTkGEZ7CJ16axw7zHUoVS5vZZmQ4fsi/QNCF02yQRcTzOPLhF0aaAOge3x+MZSYBmxpidACA==
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

2026-09-17T11:05:47.704460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047868
observed 3fb345da6dd5041bd000581421038d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.687020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047868/manifest.json
observed bdfdd8a63686c9ea94c3973f85b43013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.668606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047868/publication.md
observed e60a876d4d3ffc60fc7be8fce601a45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.650556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047868/publication.txt
observed 5f5b199ce4890709620f9c2f3d55f616...
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.