Pith Number

pith:QFEXQ73N

pith:2012:QFEXQ73NT5GR4DOKDI5M3WFBBO

not attested not anchored not stored refs pending

Asymmetric Dark Matter and Dark Radiation

Enrique Fernandez-Martinez, Javier Redondo, Mattias Blennow, Olga Mena, Paolo Serra

arxiv:1203.5803 v2 · 2012-03-26 · hep-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFEXQ73NT5GR4DOKDI5M3WFBBO}

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	2026-05-18T01:58:01.653883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8149787f6d9f4d1e0dca1a3acdd8a10ba6bc9d7d73d2b139398503fd0e69a85b

Aliases

arxiv: 1203.5803 · arxiv_version: 1203.5803v2 · doi: 10.48550/arxiv.1203.5803 · pith_short_12: QFEXQ73NT5GR · pith_short_16: QFEXQ73NT5GR4DOK · pith_short_8: QFEXQ73N

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/QFEXQ73NT5GR4DOKDI5M3WFBBO \
  | 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: 8149787f6d9f4d1e0dca1a3acdd8a10ba6bc9d7d73d2b139398503fd0e69a85b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7115afb58fc3a073638229cce17c94a8591dfd55de41bebb8a312ccdfc1bae1a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-03-26T20:03:27Z",
    "title_canon_sha256": "9f17de2e3b191f5a2ab4335a2c3ce51ce400722193bf267286fac034ea06801a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5803",
    "kind": "arxiv",
    "version": 2
  }
}