OpenTechnical

OT-2026-000097554

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line 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-2026-000097554) never changes.

Identity and time

Publication numberOT-2026-000097554 · never reused
Internal UUID01a0aea1-55b4-7496-95ab-e80039d913fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097554
StatusPUBLIC

Content hashes

Canonical text9f147862b61a84a620e3d315eb5395ba48a395cfc0e874a9eccb1c5b5d695d8f
Markdown6fd68d962cc995912acc3ae97f767332221408e3bcb9b3da851d6a9574ca623d
PDF
Publication pageebc0ebda5d2d0774ea286cf532578956748a5fd389951593def010b223bab9bc
Manifestbcd39e7119d461088ef487eec9df0e42d0ff2117b998e3d768256f4fad6212d0

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
SignatureAs82gupfEZBvYQjMnNqeocfOen8Xcj61Xbg2KjeBAZyrnpebA1Nh2Qvb1HbLzQJsZT2aNshhGI7o3NWhcEKVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:26.145860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097554
observed ebc0ebda5d2d0774ea286cf532578956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.129649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097554/manifest.json
observed bcd39e7119d461088ef487eec9df0e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.110830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097554/publication.md
observed 6fd68d962cc995912acc3ae97f767332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.094827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097554/publication.txt
observed 9f147862b61a84a620e3d315eb5395ba...
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.