OpenTechnical

OT-2026-000038886

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038886) never changes.

Identity and time

Publication numberOT-2026-000038886 · never reused
Internal UUID01a0ae78-769f-7390-b7c5-8c89d390dd6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038886
StatusPUBLIC

Content hashes

Canonical textde12aa6267172a6f508c72a8a5c1cc34beaaa6606eceb7d6986b252463729a6f
Markdowneded19eec89205dcf9e4f14875e01fb06f5fb5aef147f9ba411c8ec07b910720
PDF
Publication pagecd82f20eabe83ba2eee27a10abad9eea4141329733b74bb1b672768593856a97
Manifest15b06d961a6a7a0cc914bd5ed4f7480874b5f8149ef0105a2ee73b1b882ec369

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
SignatureEu5SM56kBNwsg7vSpTCc7wBGNWCxqTkrtbbceaGI5+CMWkcB+JIGi7C3vw0waWm9mGAUSBVzJTSILOuf0WXFAw==
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

2026-09-17T11:21:33.052665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038886
observed cd82f20eabe83ba2eee27a10abad9eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.032424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038886/manifest.json
observed 15b06d961a6a7a0cc914bd5ed4f74808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.013107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038886/publication.md
observed eded19eec89205dcf9e4f14875e01fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.993384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038886/publication.txt
observed de12aa6267172a6f508c72a8a5c1cc34...
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.