OpenTechnical

OT-2026-000032839

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000032839) never changes.

Identity and time

Publication numberOT-2026-000032839 · never reused
Internal UUID01a0ae75-4842-7ab3-b575-878fd11e3cc3 · 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-2026-000032839
StatusPUBLIC

Content hashes

Canonical textde041bb97cf1e7a54ed76fc43e59a3361a05fd46ff79191a1e38cdfbb6552cc6
Markdown027c2718999c5e89b32598d63e81f0a824cc2d339078a4dba9b80485473b4347
PDF
Publication page484b73396fd95f1344f64ae2815aa3757860b2e375565d88767f620860a30101
Manifestf5855176331ae33ddd1e5eafe7de324be393b70f37ff2316e411f9ae3a175679

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
Signaturey0EzjRFOdGV2AqaNQ4yHCKc8D53+yb4eiPa4lCfmMQe+K80RFZbH/XelvWThTUQhgBv/U8HDLvDXvZxpgn3/CQ==
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

2026-09-17T11:32:17.947551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032839
observed 484b73396fd95f1344f64ae2815aa375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.924500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032839/manifest.json
observed f5855176331ae33ddd1e5eafe7de324b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.907152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032839/publication.md
observed 027c2718999c5e89b32598d63e81f0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.888762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032839/publication.txt
observed de041bb97cf1e7a54ed76fc43e59a336...
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.