Pith Number

pith:C2QGD47C

pith:2012:C2QGD47CVPEXQVSXA3E4QZ7RXY

not attested not anchored not stored refs pending

The Isotropic Radio Background and Annihilating Dark Matter

Alexander V. Belikov, Dan Hooper, Stefano Profumo, Tesla E. Jeltema, Tim Linden, Tracy R. Slatyer

arxiv:1203.3547 v1 · 2012-03-15 · astro-ph.CO · hep-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{C2QGD47CVPEXQVSXA3E4QZ7RXY}

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	2026-05-18T03:22:51.461256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a061f3e2abc978565706c9c867f1be28222767035650a7d6efeb9bb351a6f9

Aliases

arxiv: 1203.3547 · arxiv_version: 1203.3547v1 · doi: 10.48550/arxiv.1203.3547 · pith_short_12: C2QGD47CVPEX · pith_short_16: C2QGD47CVPEXQVSX · pith_short_8: C2QGD47C

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/C2QGD47CVPEXQVSXA3E4QZ7RXY \
  | 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: 16a061f3e2abc978565706c9c867f1be28222767035650a7d6efeb9bb351a6f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3316b219d81bea62fdeb578b80300f4ca78ed82e0c2274a74353ead49cabaa53",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-15T20:00:14Z",
    "title_canon_sha256": "337575ef65dba9df66a1d5fc290f7d249c6407200ee787ba018fa35889e018ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3547",
    "kind": "arxiv",
    "version": 1
  }
}