OpenTechnical

OT-2026-000027425

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027425) never changes.

Identity and time

Publication numberOT-2026-000027425 · never reused
Internal UUID01a0ae72-6998-7490-8502-44f309b4bc98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027425
StatusPUBLIC

Content hashes

Canonical text56626884abd1693940729e60832144d18d755b6ed67a8fa22a8899a831a05c25
Markdown48e3ba39abd5d4b9ab5c7cc36e37d419de1816519f935855b2c5a5a60d2ee586
PDF
Publication pagef5c50d9e334c81dec1b8f129a14a3f08dff72c1ab724dfcef084b623c27db9dd
Manifest02f5290646eef3dd0843292d0e5261cc3f8c3d3b5f5eb127aa43f9c2e093ef43

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
SignaturedTjTVg2VKr2kNGSNVeyUSMFFw10Qa5gDBb99ubXb6Y5mXQLCzV7fFVJNkL+MCx52WCtneUZmbqMnB/rJnmI2Dg==
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

2026-09-17T11:42:51.335282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027425
observed f5c50d9e334c81dec1b8f129a14a3f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.319483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027425/manifest.json
observed 02f5290646eef3dd0843292d0e5261cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.302179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027425/publication.md
observed 48e3ba39abd5d4b9ab5c7cc36e37d419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.284787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027425/publication.txt
observed 56626884abd1693940729e60832144d1...
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.