OpenTechnical

OT-2026-000059471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000059471) never changes.

Identity and time

Publication numberOT-2026-000059471 · never reused
Internal UUID01a0ae89-8617-7cd0-b5a0-39d236a7c5d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059471
StatusPUBLIC

Content hashes

Canonical texta272f024e9ade7ee1d381483f34dcccd9f3907f3f9d4c68ca6ef0670ce101e24
Markdown9dca3771bfdc34ca461ba29617194ed8165ab400a2f735b3012eaca54c69c307
PDF
Publication pagedd2e9d35b895cd74a69e405e3593f419de96c14c3b064f2c22e377ec1e11007a
Manifest595c5e254a95244e89c57e2a5060a87ff57226fad726b13e95f19ac1ded0c53c

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
SignatureU6PtigczoAIiAQgQUgoAdh3VCGB7p+pABzYoN420WOe8h5R/7FJgt46+osg3kFe2l6U5kH3FDnX8+02TaANMAg==
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

2026-09-17T10:46:10.176976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059471
observed dd2e9d35b895cd74a69e405e3593f419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.158984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059471/manifest.json
observed 595c5e254a95244e89c57e2a5060a87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.140164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059471/publication.md
observed 9dca3771bfdc34ca461ba29617194ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.120824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059471/publication.txt
observed a272f024e9ade7ee1d381483f34dcccd...
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.