OpenTechnical

OT-2026-000017058

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000017058) never changes.

Identity and time

Publication numberOT-2026-000017058 · never reused
Internal UUID01a0ae6e-591b-7db9-8404-a7cb3ecb34be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017058
StatusPUBLIC

Content hashes

Canonical textd4a28cb8354df9b4381f8f4c3280c4533bc9a61ba96185e4b3967d905400a66d
Markdown3a0c910840c1f8727d6f7180f2a2111d54b8f08df89bffeeac1d2907c82bb57b
PDF
Publication pagea490628fd5c17bb107e9c66d5c41adcf50d7d92469819f6ba48afe0a51d1642b
Manifeste7fc81ba26cec96e56717727201bcca88d7efb72a8bccc5efcbb6da9d0226a9a

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
SignatureucFfB/x03Taa3sRAPRX87k4RxpaufpvudbKaDJSJ806+ZQBDDqMn8gkstRz7SMY8Ptn4sl5J3NadbaV8MPcnDQ==
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

2026-09-17T12:03:28.596265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017058
observed a490628fd5c17bb107e9c66d5c41adcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.580622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017058/manifest.json
observed e7fc81ba26cec96e56717727201bcca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.563586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017058/publication.md
observed 3a0c910840c1f8727d6f7180f2a2111d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.547174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017058/publication.txt
observed d4a28cb8354df9b4381f8f4c3280c453...
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.