OpenTechnical

OT-2026-000045404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000045404) never changes.

Identity and time

Publication numberOT-2026-000045404 · never reused
Internal UUID01a0ae7c-f76c-7a51-953b-4a3ac2efd12f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045404
StatusPUBLIC

Content hashes

Canonical textb841757334bc82bcaabeaad11c6c99329ecc4685d99fd023462f2e4b561c0dce
Markdowne32a64d6512cbf680629b3cef2c5935fb9271945258866a27d2228467295b492
PDF
Publication page6dc2bf9eb37fab639e57f9f268150c67658326b50d97e81d4a54d275b6bf939f
Manifest7c299db11d3f0d3ac45b0c515c0307f3244c9f8e70e16a2b5f0383918f8db732

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
SignatureKFnN10XECQqoBBH7WA1ysQcX99uLZsGVoL3GIzNmHMKmlBwdAhvF08C7gFUl0NzLhGnuTT6GVktT5zjUeOEPBg==
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

2026-09-17T11:10:41.519448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045404
observed 6dc2bf9eb37fab639e57f9f268150c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.501568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045404/manifest.json
observed 7c299db11d3f0d3ac45b0c515c0307f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.481841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045404/publication.md
observed e32a64d6512cbf680629b3cef2c5935f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.461939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045404/publication.txt
observed b841757334bc82bcaabeaad11c6c9932...
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.