Pith Number

pith:SLXPQAA4

pith:2012:SLXPQAA4X4Y66DY4BAA5CUIJT7

not attested not anchored not stored refs pending

A Novel Sequence-Based Antigenic Distance Measure for H1N1, with Application to Vaccine Effectiveness and the Selection of Vaccine Strains

Keyao Pan, Krystina C. Subieta, Michael W. Deem

arxiv:1204.6226 v1 · 2012-04-27 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLXPQAA4X4Y66DY4BAA5CUIJT7}

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	2026-05-18T03:56:46.763421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92eef8001cbf31ef0f1c0801d151099fc9f56c343a7699709a0d43aee2872f8a

Aliases

arxiv: 1204.6226 · arxiv_version: 1204.6226v1 · doi: 10.48550/arxiv.1204.6226 · pith_short_12: SLXPQAA4X4Y6 · pith_short_16: SLXPQAA4X4Y66DY4 · pith_short_8: SLXPQAA4

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/SLXPQAA4X4Y66DY4BAA5CUIJT7 \
  | 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: 92eef8001cbf31ef0f1c0801d151099fc9f56c343a7699709a0d43aee2872f8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c656bfa46649923aa0da27e75122dc9bfe8b735e119f47c9de3da86424f88afc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-04-27T14:25:16Z",
    "title_canon_sha256": "dcdf4082f53889e5f48345d476cd4406d10c9d3b024ce96b532bb5aa76d2eca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6226",
    "kind": "arxiv",
    "version": 1
  }
}