OpenTechnical

OT-2026-000025691

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-2026-000025691) never changes.

Identity and time

Publication numberOT-2026-000025691 · never reused
Internal UUID01a0ae71-9bc9-799b-8333-8e13edb0a3a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025691
StatusPUBLIC

Content hashes

Canonical text2b383c5fb5c8a75cb7005ef0011d438e5189920b9b1d93fed4ddb39d0e37621a
Markdown58aa9bc27f66727f7d2c8994b71ab1f950f9949fbe67664aeecbbeaf07e33d22
PDF
Publication page33b181c48ec0641a18f68fe8749e9b6414227de9b0cf1bff3776cb21411289e8
Manifestdf655bdaf28da4b21e019397d1043ce585ba12277719f0d18b1ad3da9c1ce993

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
Signaturek8Es0N+SngQGrLMlTQEdupVbbzdzBemCyOmXDQdJceTXRlRnsRRGzDZGtHofMzmn0FfssdqkMuRpZDGj9NvSCA==
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

2026-09-17T11:46:54.216463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025691
observed 33b181c48ec0641a18f68fe8749e9b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.199424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025691/manifest.json
observed df655bdaf28da4b21e019397d1043ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.179157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025691/publication.md
observed 58aa9bc27f66727f7d2c8994b71ab1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.160165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025691/publication.txt
observed 2b383c5fb5c8a75cb7005ef0011d438e...
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.