OpenTechnical

OT-2026-000039865

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000039865) never changes.

Identity and time

Publication numberOT-2026-000039865 · never reused
Internal UUID01a0ae78-d8d6-7a39-92fc-29092291ba83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039865
StatusPUBLIC

Content hashes

Canonical text7dd332ad24a553641e21461862f43a5c1f15928fa20e2fa1a9efda174a364c9e
Markdownda9f3f648e731253dc537c2f2ccaf3d062c3896c62d67e380154dbe60fc1b60f
PDF
Publication page3dfefba9c2879a3a74200bd270686f8572ff80c30d382bac442e36dd01584a78
Manifest3e87042c3015161fbb80edd2f23d52770bde5ad1739440a048d3fb4e75451350

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
Signaturer2bRYE5WqGJez95D1gtMw8MedCElPo6iVVamICehWWr/CLbKZ4YJrs0ORd/cMpWUV5u5BN1Cp+sGRtpw88zgCQ==
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

2026-09-17T11:20:08.714431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039865
observed 3dfefba9c2879a3a74200bd270686f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.693551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039865/manifest.json
observed 3e87042c3015161fbb80edd2f23d5277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.674422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039865/publication.md
observed da9f3f648e731253dc537c2f2ccaf3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.655265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039865/publication.txt
observed 7dd332ad24a553641e21461862f43a5c...
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.