OpenTechnical

OT-2026-000060312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000060312) never changes.

Identity and time

Publication numberOT-2026-000060312 · never reused
Internal UUID01a0ae8a-5a75-7547-824a-562773b60389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060312
StatusPUBLIC

Content hashes

Canonical text9ec525d82a28885437d80e0f035d2602b533104d6bb481bd89824ad0054da261
Markdowncb73adb2ef721530964b582de093febaf1332d2461c0b00ca0f14e1268e2566f
PDF
Publication page1e6c9ff1bf01d36e02e26f2f5851d1f5b8703e7512568f9d20d890ba848efa63
Manifest70e25d87243d8a6b40c5831a38a1f52e00bf485f8cdcc4f5460b5223cd70665d

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+V3yMGUrtXGl8wAGCCOhQ3+VGgi918HcKhGYCU7NuPOe/Nk/RTPOpOJ+woZfBX/W7IWPlN69WT1xT48jTJa0Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:01.285552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060312
observed 1e6c9ff1bf01d36e02e26f2f5851d1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.268247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060312/manifest.json
observed 70e25d87243d8a6b40c5831a38a1f52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.250440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060312/publication.md
observed cb73adb2ef721530964b582de093feba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.233337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060312/publication.txt
observed 9ec525d82a28885437d80e0f035d2602...
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.