OpenTechnical

OT-2026-000047923

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047923) never changes.

Identity and time

Publication numberOT-2026-000047923 · never reused
Internal UUID01a0ae7f-c422-7361-bc0f-d08901e4b6ae · 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-2026-000047923
StatusPUBLIC

Content hashes

Canonical text85d906907b698849a54998f6c5325e4a16361bb4f30f92f5fbc245bd9e48f029
Markdowndc9b6da3c70ad931973b53fc2d14aac85e8bd4b4444a0a88f4094d9d9351e574
PDF
Publication page6bbb9aaf234fe88cfc1c534a39ac7c518e28a7d4bb01751f045b013181bb65fa
Manifest9ebc29e3442a6f9ede0d6df057427d0530313f779c226ffeb9468134a97234af

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
SignatureqgSW2cRMGElhxpUWGbgBmphqIM2xRvp7hXYfNQLTdnWDTkAYfSVVz6BSfFxfuQGhrHIs7+p6BV99KtRBPtzBCQ==
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

2026-09-17T11:05:52.783675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047923
observed 6bbb9aaf234fe88cfc1c534a39ac7c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.763128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047923/manifest.json
observed 9ebc29e3442a6f9ede0d6df057427d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.738992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047923/publication.md
observed dc9b6da3c70ad931973b53fc2d14aac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.718051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047923/publication.txt
observed 85d906907b698849a54998f6c5325e4a...
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.