OpenTechnical

OT-2026-000014749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000014749) never changes.

Identity and time

Publication numberOT-2026-000014749 · never reused
Internal UUID01a0ae6d-d093-79f3-aea3-a6e03299de2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014749
StatusPUBLIC

Content hashes

Canonical textecacc87a2582a6b46785dcb9bf76c67d434fe9875bdc339afb1ece2efeafaacd
Markdowna3a3e113086884933fd74ff795429631de1345153c3a92344a69428407e59e05
PDF
Publication page96473c88ff498e09fb7b476ce676c8ceea6ab9cb9b66c41eaf7c1ec51be3cb67
Manifestc4ec8de900c373d7ae303af37d85b627dfe36c6df5db1876ee852f3825c3e915

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
SignaturerUxDu0Gl2BjnZpCPJ9C0qKnQBO6o3H1rowjs9t/uhQQveJUjmiiSFmzRzyeBiPVVsVGjBI+YcNhEy2qOWqZKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:37.777951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014749
observed 96473c88ff498e09fb7b476ce676c8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.759915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014749/manifest.json
observed c4ec8de900c373d7ae303af37d85b627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.741913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014749/publication.md
observed a3a3e113086884933fd74ff795429631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.722471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014749/publication.txt
observed ecacc87a2582a6b46785dcb9bf76c67d...
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.