OpenTechnical

OT-2026-000044737

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000044737) never changes.

Identity and time

Publication numberOT-2026-000044737 · never reused
Internal UUID01a0ae7c-911a-799d-b6dc-851a8f5e43b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044737
StatusPUBLIC

Content hashes

Canonical textc7bc5e6761de5520c2e4745890e0e0b1dbf0e9d63ea6c7883e090a65580bc5bb
Markdownd2cfd9c4bf9334e48332e7a36226c15513cd89b1aa512485c1a544fe54ef06c3
PDF
Publication page60990705355dd45f4d0166884f2be778d4a10a6cd392a3a17ca6eeb63af0da5d
Manifest28ac71ec94f0bde67040ea0eaf6a78361c6500856b98f7b1e86795d9fe71ecda

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
Signaturemi8jX5cz8V+De9hzpQtpif/1RpxDmzR5NZkwJrEWfeShwXYOmW3E2X4ZPEGvUAkwZyWOyfwEzU7RNkLpQIDiCw==
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

2026-09-17T11:11:20.976193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044737
observed 60990705355dd45f4d0166884f2be778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.957240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044737/manifest.json
observed 28ac71ec94f0bde67040ea0eaf6a7836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.938669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044737/publication.md
observed d2cfd9c4bf9334e48332e7a36226c155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.920074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044737/publication.txt
observed c7bc5e6761de5520c2e4745890e0e0b1...
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.