Pith Number

pith:JSRVWA33

pith:2003:JSRVWA33BW4POFCLV3X3VERB5G

not attested not anchored not stored refs pending

CMBfit: Rapid WMAP likelihood calculations with normal parameters

((1) Penn, (2) Harvard), Havard B. Sandvik (1), Matias Zaldarriaga (2), Max Tegmark (1), Xiaomin Wang (1)

arxiv:astro-ph/0311544 v2 · 2003-11-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSRVWA33BW4POFCLV3X3VERB5G}

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	2026-05-18T03:16:39.003383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca35b037b0db8f7144baeefba9221e9b3a69ebad2c0a65b925e0249d49eef3c

Aliases

arxiv: astro-ph/0311544 · arxiv_version: astro-ph/0311544v2 · doi: 10.48550/arxiv.astro-ph/0311544 · pith_short_12: JSRVWA33BW4P · pith_short_16: JSRVWA33BW4POFCL · pith_short_8: JSRVWA33

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/JSRVWA33BW4POFCLV3X3VERB5G \
  | 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: 4ca35b037b0db8f7144baeefba9221e9b3a69ebad2c0a65b925e0249d49eef3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7894f7e8da7be87db9615593fd31c47be19256b71da4921278939521f961b668",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-25T20:28:18Z",
    "title_canon_sha256": "823c183606ae7216d773437af8158f574d1d4cfd6cf965b03e39be4e8c474542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311544",
    "kind": "arxiv",
    "version": 2
  }
}