OpenTechnical

OT-2026-000033595

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000033595) never changes.

Identity and time

Publication numberOT-2026-000033595 · never reused
Internal UUID01a0ae75-a38f-7154-814a-9bfb57c34e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033595
StatusPUBLIC

Content hashes

Canonical text2c2ebdb2ebaf2b4544be19d6fb9a83a620142cdd124a24f0a6dcc0af95e95bfe
Markdown2d96eb8f56ff88666fe64e7878acf3d11c9b8acf4bd07469d8696e72851b888a
PDF
Publication paged9248aa8cb3c299a373010b29852145cf396e5646de901b7fddae5d49ba7deec
Manifestf94d335c8b6e5c225667f3e603433edf3f49d0ec67d627d312a5d872d7d31709

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
SignaturevEj2fGwli2USr14JM5byeO1cXhvLU114kEgGtUqGtIv6Xg9QtsCnrWmpimNUlhPomwCaM7bY6AS2kRGY5wGmAg==
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

2026-09-17T11:31:28.393028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033595
observed d9248aa8cb3c299a373010b29852145c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.374974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033595/manifest.json
observed f94d335c8b6e5c225667f3e603433edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.354744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033595/publication.md
observed 2d96eb8f56ff88666fe64e7878acf3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.334449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033595/publication.txt
observed 2c2ebdb2ebaf2b4544be19d6fb9a83a6...
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.