OpenTechnical

OT-2026-000060205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000060205) never changes.

Identity and time

Publication numberOT-2026-000060205 · never reused
Internal UUID01a0ae8a-5a73-74d7-96d1-73c909f843c3 · 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-2026-000060205
StatusPUBLIC

Content hashes

Canonical text784a43786bdbb2125f86c2f0946fc71f4539ac72f0f4b52e07fa3ae5b0e7f831
Markdownef1a96b3616538b9e8e3243f33ac5e6832cfd55ba89ac20b3e6da7340411b29e
PDF
Publication page9ad5ba75c918e03d6e60cc4d0060ed8a487effd7823ed146345af4f743f8618f
Manifestb045c7d688d1b8b836a34d9f9a95921d8189a7928df64795d41d135173994cc5

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
Signaturekzyg26yTOvobafTbjgPMdqFj6oBs3t1Zknh44dKJuNl1mhVJG7CVeXjUS3lbeX1GU/Nj8eaWCeO29bnr22nwBg==
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

2026-09-17T10:43:52.643191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060205
observed 9ad5ba75c918e03d6e60cc4d0060ed8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.624456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060205/manifest.json
observed b045c7d688d1b8b836a34d9f9a95921d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.606399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060205/publication.md
observed ef1a96b3616538b9e8e3243f33ac5e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.587270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060205/publication.txt
observed 784a43786bdbb2125f86c2f0946fc71f...
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.