OpenTechnical

OT-2026-000031470

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031470) never changes.

Identity and time

Publication numberOT-2026-000031470 · never reused
Internal UUID01a0ae74-87ae-7cba-9af2-c4f44ee73832 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031470
StatusPUBLIC

Content hashes

Canonical text41a98e4adc488b71d11d38698fbae60585587d443b6b87d6cf7dcec35a81ad87
Markdowndc21626dedfad4a7932955545376071eb112851725be4d4648f7279c2d667c4b
PDF
Publication page0db8b6172b262dfeae27aa49428decd84b8dfc3f843f540464ad34a3c7927889
Manifestf740c9b268e2814407158b927c4cf47e645aa245d5ff88e46170bed884311c18

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
Signature+50HvINS/hgxRt3uZB33QugKFkJkc9TvNYlvVJzKc6TTm/OsDDmroxuL1M6hY7vAsK9xAp5IhLtLgr5YPCgECg==
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

2026-09-17T11:36:12.107655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031470
observed 0db8b6172b262dfeae27aa49428decd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:12.089206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031470/manifest.json
observed f740c9b268e2814407158b927c4cf47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:12.071960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031470/publication.md
observed dc21626dedfad4a7932955545376071e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:12.054202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031470/publication.txt
observed 41a98e4adc488b71d11d38698fbae605...
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.