OpenTechnical

OT-2026-000081086

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000081086) never changes.

Identity and time

Publication numberOT-2026-000081086 · never reused
Internal UUID01a0ae96-b977-777a-a619-e6b9d40c5265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081086
StatusPUBLIC

Content hashes

Canonical text9b90d9d9851fdf2ab0356c2f0182d45ab87639907329ea68bca5cd0adb19ea0f
Markdown25776b79cbd66813c3ff4763ff627cb44814743d8e5e6ec09965f8d78cdc500e
PDF
Publication page0d769b3095e95a106796b52b8a9d35498244d1caf9a446ef1387be68e86728a6
Manifest695acf187ef9ab35989267c902a7a3d33a20ac3a35580da65c1aa0f1149a5b9c

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
Signature6QvLBVlVIAxlAhdGwn9QW8SIFG4kNHTNEzvTeXESgxRhOl0Bvt1FhQWrl7GX1Q9QG2pD31yroDT4K7P6oA7XCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:23.381323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081086
observed 0d769b3095e95a106796b52b8a9d3549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.364794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081086/manifest.json
observed 695acf187ef9ab35989267c902a7a3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.345304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081086/publication.md
observed 25776b79cbd66813c3ff4763ff627cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.327537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081086/publication.txt
observed 9b90d9d9851fdf2ab0356c2f0182d45a...
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.