OpenTechnical

OT-2026-000048588

Publication integrity record

Four bellows 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-2026-000048588) never changes.

Identity and time

Publication numberOT-2026-000048588 · never reused
Internal UUID01a0ae80-4de8-7427-88dd-47d3ec0364f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048588
StatusPUBLIC

Content hashes

Canonical text04a5ce9827b5c2e7aa5a176a53def3512606418e4b5d18f00e12c400d7dcb172
Markdown9c7da5819227fe442c483ac2471c4da727f7b75d1557ee899215b90fa8e82f70
PDF
Publication page12af6a14670d6a5ec7d9f1b85dddd25c9450b4fdc2441655750f608569747d20
Manifest9e48d2a2aecea71000d8a6d74be92636796025720774b02560a4bf8a53670bc5

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
SignatureONPixlN0gTA8EFoGUrDf7krg2tfUtjlKaI39N8VzcVQdklLWb1QfNzvJvTUI85sK9b1G1e7ekVX7yuCtDpBYCQ==
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

2026-09-17T11:05:23.821852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048588
observed 12af6a14670d6a5ec7d9f1b85dddd25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.800922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048588/manifest.json
observed 9e48d2a2aecea71000d8a6d74be92636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.781992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048588/publication.md
observed 9c7da5819227fe442c483ac2471c4da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.761964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048588/publication.txt
observed 04a5ce9827b5c2e7aa5a176a53def351...
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.