Pith Number

pith:A3ZEFVB5

pith:2004:A3ZEFVB52EONPGG2MMWNHVDIBA

not attested not anchored not stored refs pending

Dark Matter and Background Light

J.M. Overduin, P.S. Wesson

arxiv:astro-ph/0407207 v1 · 2004-07-10 · 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{A3ZEFVB52EONPGG2MMWNHVDIBA}

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.

Cited by

2 papers in Pith

Niebla: an open-source code for modeling the extragalactic background light

Entropy considerations in Many-Body Gravity and General Relativity, and the impact on cosmic inflation

Receipt and verification

First computed	2026-07-04T16:44:17.169651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f242d43dd11cd798da632cd3d468080b26baf0ed4b9c4c48fa94f6d34d96f5

Aliases

arxiv: astro-ph/0407207 · arxiv_version: astro-ph/0407207v1 · doi: 10.48550/arxiv.astro-ph/0407207 · pith_short_12: A3ZEFVB52EON · pith_short_16: A3ZEFVB52EONPGG2 · pith_short_8: A3ZEFVB5

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/A3ZEFVB52EONPGG2MMWNHVDIBA \
  | 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: 06f242d43dd11cd798da632cd3d468080b26baf0ed4b9c4c48fa94f6d34d96f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4e99b7159594d0be88bcfb295d40a6a0a4cf3c27574b5b9b2a8bf518f93392",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-10T01:16:02Z",
    "title_canon_sha256": "aba06375e0ecd7fb5cb19dc8cbd29f5d51feecd5512259d1376bebb4e5a26b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407207",
    "kind": "arxiv",
    "version": 1
  }
}