OpenTechnical

OT-2026-000017394

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017394) never changes.

Identity and time

Publication numberOT-2026-000017394 · never reused
Internal UUID01a0ae6e-76c9-7b7c-b43f-56e9b3e9ca16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017394
StatusPUBLIC

Content hashes

Canonical text1f6988381e258cb14dbc73658a0e398f2abc48f86728b73c3d7730ab44712048
Markdown3a7e445520dd898ae1b8f068382161bf65df282b2c60c1b4c6bf575b6c905f38
PDF
Publication pagebd8b63c93550bc7892f16c1e2e371c952398c1d273a2b757f4f5a55435bdb47b
Manifest2d5f6ffd44d4822be25cd2183b9fb04ccd27198cd9ea1326c8d9cc6abfc86797

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
SignatureaOIWuUVsKSnkzZgvexcmVsNkCDPTeGddVnPBov5yqZsdNidLpIuIECK9NnRkD6lKQPlUjcqQrsMTfN6574QsCA==
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

2026-09-17T12:02:31.139726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017394
observed bd8b63c93550bc7892f16c1e2e371c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.121790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017394/manifest.json
observed 2d5f6ffd44d4822be25cd2183b9fb04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.105006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017394/publication.md
observed 3a7e445520dd898ae1b8f068382161bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.088437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017394/publication.txt
observed 1f6988381e258cb14dbc73658a0e398f...
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.