OpenTechnical

OT-2026-000048833

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000048833) never changes.

Identity and time

Publication numberOT-2026-000048833 · never reused
Internal UUID01a0ae80-c32d-7895-972d-8b427ac27c63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048833
StatusPUBLIC

Content hashes

Canonical text64bef1c2a15a75fb30d1d0bce3193670d261535a696a0a6bc7f838e4bfa5232e
Markdown53c6be2e435b08840594372d13ba95f98c94a24129c67adf62cd8ca03a7e1083
PDF
Publication page1dd7f79a820c2a6241ef183dfc0d69269a201d79c7e42335b1a3c0bc9595393b
Manifest56afdbf183cce08938a641c1a1d64264909b7bd57148adeff017d225cd8b3b76

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
SignatureksCB6iuOcKSwyLJsjgI8Dn0kiN1o5r2/gxkWDgEyG3331Jdnm1LdBDqXwlx4Ef+rPEN/Ji2kWJrblLp7K3uGBQ==
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

2026-09-17T11:04:37.496621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048833
observed 1dd7f79a820c2a6241ef183dfc0d6926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.477227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048833/manifest.json
observed 56afdbf183cce08938a641c1a1d64264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.448817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048833/publication.md
observed 53c6be2e435b08840594372d13ba95f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.427793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048833/publication.txt
observed 64bef1c2a15a75fb30d1d0bce3193670...
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.