OpenTechnical

OT-2026-000023817

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000023817) never changes.

Identity and time

Publication numberOT-2026-000023817 · never reused
Internal UUID01a0ae70-aed5-7194-bc97-4a371b5425ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023817
StatusPUBLIC

Content hashes

Canonical textd7c20744e8b78280ec2a536109d2852bbee1af092e3bea0144784f96006cea21
Markdownc55b91dbdb5bfb3e1ddc05dd9dcc2d5b0e347f90ba1c10317c996bd40f4a196b
PDF
Publication page4e9c76f5be7e24dca539765eb46e8b894c8766576e750e1b1339c430f1c0b1ef
Manifest33e268046f9e55eef3c94d3407b5ea7492c8ace8e9a5fbcade41fa353db04576

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
SignaturepAnugkJU35GW9sEAlGKx/aq8tmTqC2tw684F/oYLMgSWKA63tqXnJpHTh2dpw/oeTKIQnYuQmDMvcBafK52yCw==
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

2026-09-17T11:50:18.043821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023817
observed 4e9c76f5be7e24dca539765eb46e8b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.022803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023817/manifest.json
observed 33e268046f9e55eef3c94d3407b5ea74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.001999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023817/publication.md
observed c55b91dbdb5bfb3e1ddc05dd9dcc2d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.981410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023817/publication.txt
observed d7c20744e8b78280ec2a536109d2852b...
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.