Pith Number

pith:LD4ARMPX

pith:2013:LD4ARMPXCLAQFOEWL2B26QMV2V

not attested not anchored not stored refs pending

Origins and evolutionary genomics of the novel 2013 avian-origin H7N9 influenza A virus in China: Early findings

Jiankui He, Luwen Ning, Yin Tong

arxiv:1304.1985 v2 · 2013-04-07 · q-bio.PE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD4ARMPXCLAQFOEWL2B26QMV2V}

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	2026-05-18T03:28:32.648856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f808b1f712c102b8965e83af4195d5408a73d97647c9eb08e4829b59ed9424

Aliases

arxiv: 1304.1985 · arxiv_version: 1304.1985v2 · doi: 10.48550/arxiv.1304.1985 · pith_short_12: LD4ARMPXCLAQ · pith_short_16: LD4ARMPXCLAQFOEW · pith_short_8: LD4ARMPX

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/LD4ARMPXCLAQFOEWL2B26QMV2V \
  | 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: 58f808b1f712c102b8965e83af4195d5408a73d97647c9eb08e4829b59ed9424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ae7266a39495083a60ecdf1f70c41261d3cc5bb23b704e88143e1ecf910456",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-04-07T11:42:46Z",
    "title_canon_sha256": "5c4d7062c442b7903ea93af98d732e5530b004e6e1bae1802808294281bbe10c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1985",
    "kind": "arxiv",
    "version": 2
  }
}