OpenTechnical

OT-2026-000097708

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000097708) never changes.

Identity and time

Publication numberOT-2026-000097708 · never reused
Internal UUID01a0aea1-92f5-7aff-b885-ee40c71e9881 · 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-2026-000097708
StatusPUBLIC

Content hashes

Canonical textf52d56fcf3bf7dada9b8c46ca66629b66d18bc86c9ca252107d72b79eae8566a
Markdownb49d2f846788543e08b75eb5723d05c17f41bc32bb8d316275c55af0d7dbbb74
PDF
Publication page22a7ec150ffb31202570bb1ccc921c424d0e1307d50938a0b35e6611066836cd
Manifest3c79ff9544b09752a2d07f55f988647f2616a7fb086f893fcb7bf88b07752b72

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
SignatureWnDjxOPGspIRfNJR7vQTHUdLiSLGV+5BL685c11WaZa+yJxN53uly5oOlJ8DYBovZdixqs6ji9G4hL82qNX7Cw==
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

2026-09-17T09:32:44.164233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097708
observed 22a7ec150ffb31202570bb1ccc921c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.144780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097708/manifest.json
observed 3c79ff9544b09752a2d07f55f988647f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.099831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097708/publication.md
observed b49d2f846788543e08b75eb5723d05c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.053360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097708/publication.txt
observed f52d56fcf3bf7dada9b8c46ca66629b6...
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.