OpenTechnical

OT-2026-000061176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000061176) never changes.

Identity and time

Publication numberOT-2026-000061176 · never reused
Internal UUID01a0ae8b-1380-7d38-b55b-d8fbbed4b1f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061176
StatusPUBLIC

Content hashes

Canonical text8070be72561f50a3e2d7bc06b29815811ff24b58cafbee4b5b7bf2ae7214e4ea
Markdown68b0aa91c83ebf462d0d8b94fb1a041630f4ff95c2f411f8a7cc07d9689d4598
PDF
Publication page3564ae9d26fa158776b0dc5c0bbe4ec4a9f911617abb226562e8d611a609d1e6
Manifest4258a50460862075a4f6530f7787bd07b4ad63bc928edfe3cdf042b65fa43991

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
SignatureBhTqLdrDvsaqsg6ZcH6c3WatTsut8tvSEqHGqoyY682XOy1Pkc5jEl87NShnmvh604Rt75my9sbm0Ti6LdIUCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:34.040849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061176
observed 3564ae9d26fa158776b0dc5c0bbe4ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.022160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061176/manifest.json
observed 4258a50460862075a4f6530f7787bd07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.003731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061176/publication.md
observed 68b0aa91c83ebf462d0d8b94fb1a0416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.983121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061176/publication.txt
observed 8070be72561f50a3e2d7bc06b2981581...
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.