OpenTechnical

OT-2026-000102915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000102915) never changes.

Identity and time

Publication numberOT-2026-000102915 · never reused
Internal UUID01a0aea4-be3c-7044-be86-d2e0ff5de69d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102915
StatusPUBLIC

Content hashes

Canonical text71f32a842548a74a6fa127b21f6d941fd8fbdd07a5237470aa80227b8aa18e25
Markdown1f6e8d26348ec11eddd80c8c0c48744d815b08bca6820de746dfa4ba50e2a936
PDF
Publication page4a0d015973db6b2e236aa4c7b674165b47d592a7c7e9ba0f2ab26703cbf692b1
Manifest335c8b4d783619dd6f16355aa49a832488ba796316c4c03be25d0ac0adb47207

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
Signature1zutVpOMfkKqZiQjsqgfDRWgDYs1Y+mHJ4bzUyK5a4yaH+uIRXq5lmY6rtu4HOV0ofgXu1saPEliX58CLtJSAw==
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

2026-09-17T09:22:55.889618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102915
observed 4a0d015973db6b2e236aa4c7b674165b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.869630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102915/manifest.json
observed 335c8b4d783619dd6f16355aa49a8324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.849768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102915/publication.md
observed 1f6e8d26348ec11eddd80c8c0c48744d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.830669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102915/publication.txt
observed 71f32a842548a74a6fa127b21f6d941f...
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.