Pith Number

pith:HRKRXR52

pith:2012:HRKRXR52356KD3RWXLKQKULBHB

not attested not anchored not stored refs pending

Week 50 Influenza Forecast for the 2012-2013 U.S. Season

Alicia Karspeck, Jeffrey Shaman, Marc Lipsitch

arxiv:1212.5750 v1 · 2012-12-23 · q-bio.PE · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRKRXR52356KD3RWXLKQKULBHB}

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	2026-05-18T03:37:51.541608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c551bc7badf7ca1ee36bad505516138564b08f117ca962b3a72f6bc7e147361

Aliases

arxiv: 1212.5750 · arxiv_version: 1212.5750v1 · doi: 10.48550/arxiv.1212.5750 · pith_short_12: HRKRXR52356K · pith_short_16: HRKRXR52356KD3RW · pith_short_8: HRKRXR52

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/HRKRXR52356KD3RWXLKQKULBHB \
  | 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: 3c551bc7badf7ca1ee36bad505516138564b08f117ca962b3a72f6bc7e147361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6663d002ef83f22e0b102478a32f3c93c5d3a89603fd865f2c057c7fdf3b8765",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-12-23T01:37:07Z",
    "title_canon_sha256": "9879cbb1001e919dbae743bd1ba39b3a718ba093332617d5f608b43eedecb989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5750",
    "kind": "arxiv",
    "version": 1
  }
}