OpenTechnical

OT-2026-000013986

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000013986) never changes.

Identity and time

Publication numberOT-2026-000013986 · never reused
Internal UUID01a0ae6d-8dea-7382-a29d-3539b4eb708a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013986
StatusPUBLIC

Content hashes

Canonical textf241266be5e4534e5a238572782eacfe1a97e514fbe5ffdf0689305b91a900f0
Markdown83f96142df9151b44379c0c232182484b229785546431f31b6c53f5480967e8e
PDF
Publication paged0b1a4a325ca074785aa2e1f6f7185e769bb1a1ada881bfda6cd32d724e27e87
Manifestbf3daec7cddb6d5fb17545cf580ff3c10f36094de04728f4ffa750f28824519f

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
SignaturejArTORFnIr9U6kNklEWv+lV9wLbFayQGYRMOPVpaEWjIWLwDycZQuiWji9o/Xy8A+HUehcbz1xAIUI2ldB3ZAA==
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

2026-09-17T12:09:12.151413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013986
observed d0b1a4a325ca074785aa2e1f6f7185e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.132498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013986/manifest.json
observed bf3daec7cddb6d5fb17545cf580ff3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.114356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013986/publication.md
observed 83f96142df9151b44379c0c232182484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.094956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013986/publication.txt
observed f241266be5e4534e5a238572782eacfe...
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.