OpenTechnical

OT-2026-000029722

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000029722) never changes.

Identity and time

Publication numberOT-2026-000029722 · never reused
Internal UUID01a0ae73-5e23-713d-b961-7a1d4647b6a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029722
StatusPUBLIC

Content hashes

Canonical text439b4e1327a513370838259a0a4ef8202795d52101ca773563560d0032f67f52
Markdown8a1bea2dc06486d29ef15b69b7b0a9649eee404c6f659d94cc3af169aa5b2f22
PDF
Publication page411454c30da02bb93b26547c83590c4bf2587d62be617b7c60de121241baa857
Manifestfd149f1229e41ba589c77bf796273d5c3c4bf92697ce94ce4d4cf4c72a166969

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
Signature2J0343qjLDVz62TOGFO7rpdXHMPBXXiBhId4wEIEWK9wqxvw+8ftkJuDqGVYpJ7KgdR3NFSSH7Fulln9GDIXDA==
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

2026-09-17T11:39:27.258280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029722
observed 411454c30da02bb93b26547c83590c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.238682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029722/manifest.json
observed fd149f1229e41ba589c77bf796273d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.209158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029722/publication.md
observed 8a1bea2dc06486d29ef15b69b7b0a964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.185552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029722/publication.txt
observed 439b4e1327a513370838259a0a4ef820...
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.