OpenTechnical

OT-2026-000097579

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097579) never changes.

Identity and time

Publication numberOT-2026-000097579 · never reused
Internal UUID01a0aea1-92f1-7f02-9ebd-6deeaa4284eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097579
StatusPUBLIC

Content hashes

Canonical texta74f04ae29b3677fe71fb01fcc25cc459d7539b8929c4ea95827dd45a6884e62
Markdowna371480da2873937cb4625acdd15a625dab3a8699319efb13788c5ae2c0f8f35
PDF
Publication pagebfea0387bb1eaa3f2a7bd5450cab64f512b79232dcb1e55d5ae0c281a05a78dd
Manifest3d39aae144fb5e23cedf9e6427161231866dd3bdae9569bc7c967bfb4ef884d7

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
Signature3k885TUMtAIBlxHkoYP/6QCw+33X+HOKleaa0WV3M74dXB+F2BnvSuJeulyrnscKGfUW45ltAXdlyzJexz/pBg==
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

2026-09-17T09:32:29.592056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097579
observed bfea0387bb1eaa3f2a7bd5450cab64f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.573758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097579/manifest.json
observed 3d39aae144fb5e23cedf9e6427161231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.554648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097579/publication.md
observed a371480da2873937cb4625acdd15a625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.537475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097579/publication.txt
observed a74f04ae29b3677fe71fb01fcc25cc45...
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.