OpenTechnical

OT-2026-000060292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000060292) never changes.

Identity and time

Publication numberOT-2026-000060292 · never reused
Internal UUID01a0ae8a-5a74-7cbb-925d-7c4ea461910f · 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-2026-000060292
StatusPUBLIC

Content hashes

Canonical textb77fdbfd3376fc5c819193324802f00e4b44fa98da35a21acfa83e3b8327f819
Markdownd1f3f710e9afc50a798e96756412c98220e181c16a85b2436b156ee896a499f6
PDF
Publication page5b785325cc1ef2347913881088898075238217000e10ab473602aa020f3c4708
Manifest5de6cbd8ff70d9f0a3c8da2ee2104e7ede801c2980cc3b246bc24e9029442d80

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
SignatureoJuug6ZxD5v114tJW29ZY9KIqHMwNfL/0YwNTC7K1fjHo0WQhRx0iWEf0XhniWp2w1dPxaRmvJYtkKHblWsBAg==
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

2026-09-17T10:43:59.944344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060292
observed 5b785325cc1ef2347913881088898075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:59.926510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060292/manifest.json
observed 5de6cbd8ff70d9f0a3c8da2ee2104e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:59.907516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060292/publication.md
observed d1f3f710e9afc50a798e96756412c982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:59.889417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060292/publication.txt
observed b77fdbfd3376fc5c819193324802f00e...
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.