OpenTechnical

OT-2026-000021460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000021460) never changes.

Identity and time

Publication numberOT-2026-000021460 · never reused
Internal UUID01a0ae6f-865d-755f-b7cf-45daf1e9592a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021460
StatusPUBLIC

Content hashes

Canonical textd7311896653ff533c3562b3b381dadd411b939c820267a588aae6c8b3eee5a04
Markdownfbb568533e294e53cc74704468f90c392151f2d3bae266316a93a82db8f2e59d
PDF
Publication page50b91187e03d8bbd6fffe872ba3b3f795f6f06c3e23b22bf5136589f903c7753
Manifest0c9a6f993363dab62e9f88843b67f08c4b9be03780c3ee01a1810d6716e1a255

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
SignatureLcSgOFGVhYwJgAaiqne7FLck+0OBhg/NaJmB+oXgfrN8zHlJ4q0nnUs4Vh0m7R1wgZTEYt19pN+mUSvK89uJCA==
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

2026-09-17T11:55:22.437674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021460
observed 50b91187e03d8bbd6fffe872ba3b3f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.420987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021460/manifest.json
observed 0c9a6f993363dab62e9f88843b67f08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.402233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021460/publication.md
observed fbb568533e294e53cc74704468f90c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.384915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021460/publication.txt
observed d7311896653ff533c3562b3b381dadd4...
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.