OpenTechnical

OT-2026-000046405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000046405) never changes.

Identity and time

Publication numberOT-2026-000046405 · never reused
Internal UUID01a0ae7e-57dc-7694-9e1a-fd25490024ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046405
StatusPUBLIC

Content hashes

Canonical texteb0f41af91186490056346813025483c650475f069ea6b12da0d6ae40b5e1347
Markdownb7a1f2eb13c4e0634c6d54958dbb80a4096d799857e21f17adc49517be872ca9
PDF
Publication page38f1e0c3cbc724080704f13999293318bd666ff79e45dc3ff94f3a223a520371
Manifest25ff4379a94e7dd9c3155b27f9df6ecb25d122576abea756af9470d5295c5688

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
SignaturejAgZpUBbQrcwC+E18P3P6HdAiXY8/rsOvq7+PBN+GgEr4zrodeym/U8uf2U5fln6VwiXTpYANlRuucsEso23Aw==
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

2026-09-17T11:08:24.802823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046405
observed 38f1e0c3cbc724080704f13999293318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.785476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046405/manifest.json
observed 25ff4379a94e7dd9c3155b27f9df6ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.767084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046405/publication.md
observed b7a1f2eb13c4e0634c6d54958dbb80a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.748011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046405/publication.txt
observed eb0f41af91186490056346813025483c...
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.