OpenTechnical

OT-2026-000060613

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000060613) never changes.

Identity and time

Publication numberOT-2026-000060613 · never reused
Internal UUID01a0ae8a-b7cd-77d5-ae63-7550043de141 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060613
StatusPUBLIC

Content hashes

Canonical text43957a43b7e66055170b8782638718b924ecabfea240e148727a87577bdb0a99
Markdownad78ad69a4bf2ed161b721f2dcbca92e1e769a212d8c3d20320f69620397a07b
PDF
Publication pageebea868625dfe5db930971db3952821d77dce59dab3478631fca04fef8bd8f66
Manifest11641e7e9fd51f7d8715d13ecfe24a1cc6d2e21c5700ac67e04311a21fc236ff

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
SignaturePc/eTzalFTmEexR/iN9tUuHWKNzzWX9kI7Iuoaqzdy+LlrEzvqg1++gPATQwNKckXqZHKZeW7RKDNaUgzmd0Dw==
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

2026-09-17T10:43:14.238267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060613
observed ebea868625dfe5db930971db3952821d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:14.221181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060613/manifest.json
observed 11641e7e9fd51f7d8715d13ecfe24a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:14.203431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060613/publication.md
observed ad78ad69a4bf2ed161b721f2dcbca92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:14.186133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060613/publication.txt
observed 43957a43b7e66055170b8782638718b9...
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.