OpenTechnical

OT-2026-000049174

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049174) never changes.

Identity and time

Publication numberOT-2026-000049174 · never reused
Internal UUID01a0ae81-134e-7072-9604-c91b3a498fe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049174
StatusPUBLIC

Content hashes

Canonical text01c55b2eb6ed73f3404851054c758517e25621c14e57e7a8ccf8aaef6284984b
Markdown25937146607aa2734cf421022ee37ccee296ce3769abe67ddd1729cb4b825d20
PDF
Publication page6b7c7097ea7ac4dd6e5d89f0dad368efde0e81c5ac7c8b50f3b808f134ce0fcd
Manifest33dbe2fdf0c0a31daaa5383bb28d7152bb3548984dc89e283468aa747c338ee6

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
Signatureki3VF1wsAuz/tBK1EzBdfYKVBH5xSS8djSv/RfdKIu0ZCTweHFfzYCiMqRkk60kCll2wOKnIjBzILc6506ShBQ==
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

2026-09-17T11:03:58.536148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049174
observed 6b7c7097ea7ac4dd6e5d89f0dad368ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.517153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049174/manifest.json
observed 33dbe2fdf0c0a31daaa5383bb28d7152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.499667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049174/publication.md
observed 25937146607aa2734cf421022ee37cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.483395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049174/publication.txt
observed 01c55b2eb6ed73f3404851054c758517...
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.