OpenTechnical

OT-2026-000044334

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000044334) never changes.

Identity and time

Publication numberOT-2026-000044334 · never reused
Internal UUID01a0ae7c-39d6-7d0e-860d-8b13e40f2230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044334
StatusPUBLIC

Content hashes

Canonical text7a9ad7de88e0121a7570f9ce5c01604fb7fe7b8f024d10267a7860c4ea8b7bb5
Markdown2fe7fc16a66e983359eb8f0145725d1e75d63328ef157cb04b217d726d03fc62
PDF
Publication page32b31371fbd7d95cd1517822cae6af796cb4a91f34edcba04297eb0afac311d3
Manifest66e18563c4627472845678fb9795420565b4290e45feaaae8f39f1415f324086

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
SignatureGXj5JM5tlX3bES3AX1gB4C/EFEX0HRMuWBs1Hj2tvrlib6RO/YvgeWvGRX0dQWkZ1ncWX0VaKR/AEQn41b4FDw==
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

2026-09-17T08:30:22.986773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044334
observed 32b31371fbd7d95cd1517822cae6af79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:22.968475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044334/manifest.json
observed 66e18563c4627472845678fb97954205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:22.821765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044334/publication.md
observed 2fe7fc16a66e983359eb8f0145725d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:22.801386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044334/publication.txt
observed 7a9ad7de88e0121a7570f9ce5c01604f...
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.