OpenTechnical

OT-2026-000042388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000042388) never changes.

Identity and time

Publication numberOT-2026-000042388 · never reused
Internal UUID01a0ae7a-5d74-7c84-8ce3-0168c952752e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042388
StatusPUBLIC

Content hashes

Canonical textb600c7cf0b924a57d9246f98135d870899b412a6c8251a6e332d877b01c25c44
Markdown28cefd1519473d46d3327787bf1710338079262de14a5b57a5b84ba147540614
PDF
Publication pagee86017d6c0a219828a627fdd659627f89a71de6858d524c960e32737781ef8a6
Manifestaa91b77eccfcdaa91b98b5d7fc57b22634d04817a575cf92405fbc0d09c94ef8

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
Signature1DEmez1J95Ch90eZ7NNbMuLDsSSlP3Ch7SFb6Og07ULg9Zllpa2X2d1IwL3pzAY5u0YXe7VNVLB5jJS1ocqADg==
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

2026-09-17T11:16:10.860595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042388
observed e86017d6c0a219828a627fdd659627f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.843698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042388/manifest.json
observed aa91b77eccfcdaa91b98b5d7fc57b226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.826253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042388/publication.md
observed 28cefd1519473d46d3327787bf171033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.807884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042388/publication.txt
observed b600c7cf0b924a57d9246f98135d8708...
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.