OpenTechnical

OT-2026-000072382

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000072382) never changes.

Identity and time

Publication numberOT-2026-000072382 · never reused
Internal UUID01a0ae92-47c3-78aa-930b-f3fcd6125b40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072382
StatusPUBLIC

Content hashes

Canonical textb2d3247f06d00fa2d5c01ef64015d8c20952b033c96288453867ca0eaa872482
Markdowna76b6c14e7dc45609ba787c106b1d3b09b0dc4d18b259cd49a7aab5f863a6f27
PDF
Publication pageb13e8a8314ef1f7b0c01dfc2c7db7635b1919259f42c8c7c3468aca397390e6c
Manifestd0976c287bacc3cfb17ab5077ead7d0ead42a9834b2c4ad898f08c5f30d9f273

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
Signature+ltEyi+jtEgX0TsfJG5OLbN3YU60YdnNh9p1vrABvQVB5r5IXpGynadZLVPVjjKNNvdrdDE0lVv7TqDXqmffCQ==
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

2026-09-17T10:23:37.191084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072382
observed b13e8a8314ef1f7b0c01dfc2c7db7635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.173542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072382/manifest.json
observed d0976c287bacc3cfb17ab5077ead7d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.157623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072382/publication.md
observed a76b6c14e7dc45609ba787c106b1d3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.140550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072382/publication.txt
observed b2d3247f06d00fa2d5c01ef64015d8c2...
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.