Pith Number

pith:ZRXE44SE

pith:2003:ZRXE44SEOE4W77LKWJRJHMMH7F

not attested not anchored not stored refs pending

Genus Topology of the Cosmic Microwave Background from WMAP

J. Richard Gott III (Dept. of Astrophysical Sciences, Princeton University), U.Va.), Wesley N. Colley (Dept. of Astronomy

arxiv:astro-ph/0303020 v1 · 2003-03-03 · 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{ZRXE44SEOE4W77LKWJRJHMMH7F}

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	2026-05-18T04:22:32.378618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc6e4e724471396ffd6ab26293b187f94ed8c43f552b28a6ddb5ec51731eb844

Aliases

arxiv: astro-ph/0303020 · arxiv_version: astro-ph/0303020v1 · doi: 10.48550/arxiv.astro-ph/0303020 · pith_short_12: ZRXE44SEOE4W · pith_short_16: ZRXE44SEOE4W77LK · pith_short_8: ZRXE44SE

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/ZRXE44SEOE4W77LKWJRJHMMH7F \
  | 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: cc6e4e724471396ffd6ab26293b187f94ed8c43f552b28a6ddb5ec51731eb844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340b40c63c35540c14e350f6e361e051ca0d4324de8ba0df3621a8e868996e7b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-03T00:05:25Z",
    "title_canon_sha256": "bb724219c11c3e7059c96326d6c54d87fae1bbaf15776dc73b9497792ad432ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303020",
    "kind": "arxiv",
    "version": 1
  }
}