OpenTechnical

OT-2026-000098100

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000098100) never changes.

Identity and time

Publication numberOT-2026-000098100 · never reused
Internal UUID01a0aea1-e963-78cb-bfea-75ed52f11e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098100
StatusPUBLIC

Content hashes

Canonical textef1a75456514723de48df4a0b37a23271cb1faa416f5fc15b88f2eff75333d4e
Markdown9b87b2fc01f6308b400b227fd8bb096532f8df436cb4f5522d60c6d9d99f8aba
PDF
Publication page65b38c5e5eb3bb465749b69894dace7925dcda17a4bfa45fd2f1a67370e81f76
Manifest85c6ff9c97181494d6d27cf36718a9fd64b2e3daea8b7480403a25ce8148d333

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
Signature7uVr0Aoie0K0An9CuixVj1ihp+kwVGOYrXliJDZCQYBsN21NycCZEHzSP63QpRTrPfU2O4FnLPwVSyujJKgEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:14.267678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098100
observed 65b38c5e5eb3bb465749b69894dace79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:14.249296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098100/manifest.json
observed 85c6ff9c97181494d6d27cf36718a9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:14.231724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098100/publication.md
observed 9b87b2fc01f6308b400b227fd8bb0965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:14.214021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098100/publication.txt
observed ef1a75456514723de48df4a0b37a2327...
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.