Pith Number

pith:7P4O7N6A

pith:2020:7P4O7N6AJFCWPJ5WHGFTEGMI24

not attested not anchored not stored refs pending

A Public Website for the Automated Assessment and Validation of SARS-CoV-2 Diagnostic PCR Assays

Ad\'an Myers y Guti\'errez, Bin Hu, Chien-Chi Lo, Elais Player Jackson, Jason Gans, Karen Davenport, Mark Flynn, Migun Shakya, Patrick S. G. Chain, Po-E Li, Yan Xu

arxiv:2006.04566 v1 · 2020-06-08 · q-bio.GN · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7P4O7N6AJFCWPJ5WHGFTEGMI24}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:08:40.486841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf8efb7c0494567a7b6398b321988d71c5a0c65720473678c02692f69bc2b38

Aliases

arxiv: 2006.04566 · arxiv_version: 2006.04566v1 · doi: 10.48550/arxiv.2006.04566 · pith_short_12: 7P4O7N6AJFCW · pith_short_16: 7P4O7N6AJFCWPJ5W · pith_short_8: 7P4O7N6A

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7P4O7N6AJFCWPJ5WHGFTEGMI24 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fbf8efb7c0494567a7b6398b321988d71c5a0c65720473678c02692f69bc2b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d63fc8588bce8d3a69023a98a4c3271b312af25a4dbab41bbbe81fd1e619a3f0",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2020-06-08T13:17:07Z",
    "title_canon_sha256": "a39c244604769fcc4935735694925c673b0bb79c661ad082f7cbaee6adf11b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04566",
    "kind": "arxiv",
    "version": 1
  }
}