OpenTechnical

OT-2026-000013896

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000013896) never changes.

Identity and time

Publication numberOT-2026-000013896 · never reused
Internal UUID01a0ae6d-8dea-702f-8943-52e37e595496 · 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-2026-000013896
StatusPUBLIC

Content hashes

Canonical text355c725254788e3f4de9a166f9c3c6927eed5f8ae65cf30d16c7593fc84a9c7b
Markdownf3b9011ee5c125bf5f354d51b4f0614df2b7620c9e8c55557b7bf889cc81d7b2
PDF
Publication pagee7efbea4434069e89488405b06f586d16762dcbfe871afc6a6e0ea194d7f6213
Manifest8dd43d3dfd15b0dc6c794b093abcb7fae7f38b305b83a547245fa02bec79e798

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
SignatureeqQEBmKjjXd2yvH4W7SjozjJDc70cYaSwVAiHFlTFw2clucjLuHnnADQe2CCSWejhEvSwv74kfb5VCUoFyT5Ag==
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

2026-09-17T12:09:01.266648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013896
observed e7efbea4434069e89488405b06f586d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.248616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013896/manifest.json
observed 8dd43d3dfd15b0dc6c794b093abcb7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.231086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013896/publication.md
observed f3b9011ee5c125bf5f354d51b4f0614d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.211674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013896/publication.txt
observed 355c725254788e3f4de9a166f9c3c692...
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.