OpenTechnical

OT-2026-000097790

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000097790) never changes.

Identity and time

Publication numberOT-2026-000097790 · never reused
Internal UUID01a0aea1-92f6-77ac-8ac3-a664756b6b57 · 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-2026-000097790
StatusPUBLIC

Content hashes

Canonical text8dd82ee6713732f61f5287606d2aa75d904825b02d3ea7365fbb284f85d724f6
Markdown7f71126924e9a8db66d53f7d2dd92067c9c76ee8fba25fce36a97a1855df1f6f
PDF
Publication pageed0438c97b5ee9d90c08bf7724263c9ce21413043215d97296c9f3e2bd3d0162
Manifestf485cb45004d5c3710aa0e61c64c1813f167b76847c04c5634790107e2be5b79

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
SignatureiSUwraqmLR3i3k1Ddj8EI+nxyFHpiNqpJq+Z7MstkHPJqNjM9O3VGOQ6wdjcFKC1I7bNwabmrV4J+8u27B1jBQ==
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

2026-09-17T09:32:27.589917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097790
observed ed0438c97b5ee9d90c08bf7724263c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.571182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097790/manifest.json
observed f485cb45004d5c3710aa0e61c64c1813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.553835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097790/publication.md
observed 7f71126924e9a8db66d53f7d2dd92067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.535276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097790/publication.txt
observed 8dd82ee6713732f61f5287606d2aa75d...
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.