OpenTechnical

OT-2026-000089802

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089802) never changes.

Identity and time

Publication numberOT-2026-000089802 · never reused
Internal UUID01a0ae9c-1a23-719a-9e57-8f109fd154b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089802
StatusPUBLIC

Content hashes

Canonical textfd626e96a6f890ade9244d90f9da85f6451938b18db98a2aa4fd84a4f31be4ff
Markdown355b2b7aa1dd05319e6c5d79eb0b794617fb870deeb77a036b0197205d214974
PDF
Publication page0a4baf49ab521e351ffc4e5a8e95b5dbdce9037ee87bb811e9af484cc37abfdd
Manifest9d3c7937b12c491b5c97955c6b8d374812568b5ebfc775ee96668473fe297b4a

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
SignatureZyGDl1H1aZwEPcyg7eSSUSgvt/x3EwO9iar4zbRQ1Yat5Bzb7BbyY7mwKLOCMWVrlzW7/Z3UHuyZN7sxK0abDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:53.683830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089802
observed 0a4baf49ab521e351ffc4e5a8e95b5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.668222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089802/manifest.json
observed 9d3c7937b12c491b5c97955c6b8d3748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.651514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089802/publication.md
observed 355b2b7aa1dd05319e6c5d79eb0b7946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.635518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089802/publication.txt
observed fd626e96a6f890ade9244d90f9da85f6...
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.