OpenTechnical

OT-2026-000047685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047685) never changes.

Identity and time

Publication numberOT-2026-000047685 · never reused
Internal UUID01a0ae7f-c41f-7b30-b3fa-b1dc841428f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047685
StatusPUBLIC

Content hashes

Canonical text64e31f5fc8a49978d933a0626254f60cc067e4457de45a6ec20c38cac4731797
Markdown693208f45825b3f7a0a899cb5ef970770f77e29484c05731ed20f341e599fbfc
PDF
Publication page875c213fe2f922228cbd097d2acaaad77aba7ccaede0130aff27ccf4ef4b9eaa
Manifest482c3a88e374f2d9b6c1bce94525b5a04b8edd0931d161b0b431122a05c6cd3e

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
SignatureR3FIDNTCBQbxMi10rur7cJVrBJ5+aRvaec+0yF5utXl5XsnsskVi1Zrs7zoiFAHhq64PQzfUtzFLIWaEp3E5Ag==
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

2026-09-17T11:05:32.087935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047685
observed 875c213fe2f922228cbd097d2acaaad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.067721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047685/manifest.json
observed 482c3a88e374f2d9b6c1bce94525b5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.047268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047685/publication.md
observed 693208f45825b3f7a0a899cb5ef97077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.028338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047685/publication.txt
observed 64e31f5fc8a49978d933a0626254f60c...
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.