OpenTechnical

OT-2026-000044379

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000044379) never changes.

Identity and time

Publication numberOT-2026-000044379 · never reused
Internal UUID01a0ae7c-39d7-76a1-bbfe-c8adcebe2347 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044379
StatusPUBLIC

Content hashes

Canonical textb279a8d32afdd72e99f821d15d141925a7034c68a5c1ed5eda24276fadb0fb2c
Markdown9f406a75a52e676ce2c215f246566a5c5668549f12e5575b5f44f82c5f13e6dd
PDF
Publication page0f852578eff56dbdec884975dc8e9b5039f222cea3563d0feb1262409f38587e
Manifest1b561bbafc160c4acd67d98c1615e449bf930621496322245095260c69d06091

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
SignatureiOfwBkl7CPzZmzxGtxCn8VPejFB2TWx8FnVmC5EfeEuAQiKgJN3NKEJ9HskWAB1wUnvCeUIbcdCV3sSldfqMCQ==
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

2026-09-17T08:30:33.968747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044379
observed 0f852578eff56dbdec884975dc8e9b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.820867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044379/manifest.json
observed 1b561bbafc160c4acd67d98c1615e449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.798445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044379/publication.md
observed 9f406a75a52e676ce2c215f246566a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.777397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044379/publication.txt
observed b279a8d32afdd72e99f821d15d141925...
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.