OpenTechnical

OT-2026-000061165

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000061165) never changes.

Identity and time

Publication numberOT-2026-000061165 · never reused
Internal UUID01a0ae8b-137f-7b1e-b516-2a168c4db581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061165
StatusPUBLIC

Content hashes

Canonical text0a6cfbee3a167389a03f7f9e4e6f6cbfa654e1fb9b36b06ea32d669a94167a8d
Markdown6572828912742eeae7329fbb7c7e97cbf5115127c659797be409a2e91524bade
PDF
Publication pagee3e320a7c934acadf6f5008cecdc96e0eddc435515db3cfbd9251c0338a22446
Manifeste70a8846a8bf16e89bbff8bc65acd5e6c34fb399e8a889f98f6f6e54ba21810d

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
SignatureWJoMWjUJ3KyXXvJ+fzroosm69PHPg+vz/bD7Mwob4qk3ypebamRs0AelfSMnBO7Jx5G+iqqIi6fCul3jwPfpCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:33.171294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061165
observed e3e320a7c934acadf6f5008cecdc96e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.151765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061165/manifest.json
observed e70a8846a8bf16e89bbff8bc65acd5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.133547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061165/publication.md
observed 6572828912742eeae7329fbb7c7e97cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.113715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061165/publication.txt
observed 0a6cfbee3a167389a03f7f9e4e6f6cbf...
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.