OpenTechnical

OT-2026-000032907

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000032907) never changes.

Identity and time

Publication numberOT-2026-000032907 · never reused
Internal UUID01a0ae75-4842-7785-ae30-e5e645052afc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032907
StatusPUBLIC

Content hashes

Canonical text67140ad9a440318880c6c1a5f4717eba384ba6ce2965cfcc630ab9ba442ea693
Markdowncc484d401de5f81d2079f5ac4d1e0084386db187de9bd597324af6cac922dffe
PDF
Publication page8b1b1c7f2a34d9f2014614021f13cb42ca871ba40fccd0447bf76aa273fbdd95
Manifest42c7a5c83718c4db99b86f71aeac097624a9297abd59773990d9b58bf2b0bedf

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
SignatureNKqtolADQaINNtyT72/vkFUzIqtQIm52hQ5WO7M9qgmfxVCU9bnlqnKM9c85qO9njfV5WR8ZOYEYsJ3tu+SuAw==
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

2026-09-17T11:32:29.826411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032907
observed 8b1b1c7f2a34d9f2014614021f13cb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.808778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032907/manifest.json
observed 42c7a5c83718c4db99b86f71aeac0976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.789912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032907/publication.md
observed cc484d401de5f81d2079f5ac4d1e0084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.771548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032907/publication.txt
observed 67140ad9a440318880c6c1a5f4717eba...
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.