Pith Number

pith:SCVSG5ZQ

pith:2015:SCVSG5ZQJRUZHSYYI3M52BXI6P

not attested not anchored not stored refs pending

Has wild poliovirus been eliminated from Nigeria?

Michael Famulare

arxiv:1504.02751 v2 · 2015-04-10 · 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{SCVSG5ZQJRUZHSYYI3M52BXI6P}

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	2026-05-18T01:20:46.630887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ab2377304c6993cb1846d9dd06e8f3eef1ebee11440e9a86d244ad98d0cceb

Aliases

arxiv: 1504.02751 · arxiv_version: 1504.02751v2 · doi: 10.48550/arxiv.1504.02751 · pith_short_12: SCVSG5ZQJRUZ · pith_short_16: SCVSG5ZQJRUZHSYY · pith_short_8: SCVSG5ZQ

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/SCVSG5ZQJRUZHSYYI3M52BXI6P \
  | 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: 90ab2377304c6993cb1846d9dd06e8f3eef1ebee11440e9a86d244ad98d0cceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8ae368d163387e1f487f46cfe02ffcbe3887fbcbe2b6ce5485fa9a99316e485",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-04-10T18:12:55Z",
    "title_canon_sha256": "0934c007d10ec3cce1011adf4002a7429f24626b83b35ce800ebd5db2b00a0cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02751",
    "kind": "arxiv",
    "version": 2
  }
}