Pith Number

pith:RXEUBH52

pith:2011:RXEUBH52G76IFLPM4FPXDUWSIF

not attested not anchored not stored refs pending

The cosmic X-ray and gamma-ray background from dark matter annihilation

(2) Harvard/CfA, (3) IAS, (4) HITS), Abraham Loeb (2), Jesus Zavala (1), Mark Vogelsberger (2), Tracy R. Slatyer (3), Volker Springel (4) ((1) MPA

arxiv:1103.0776 v2 · 2011-03-03 · 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{RXEUBH52G76IFLPM4FPXDUWSIF}

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	2026-05-18T04:19:12.041670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc9409fba37fc82adece15f71d2d241786d7ed47e060b9974852450e498ddb9

Aliases

arxiv: 1103.0776 · arxiv_version: 1103.0776v2 · doi: 10.48550/arxiv.1103.0776 · pith_short_12: RXEUBH52G76I · pith_short_16: RXEUBH52G76IFLPM · pith_short_8: RXEUBH52

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/RXEUBH52G76IFLPM4FPXDUWSIF \
  | 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: 8dc9409fba37fc82adece15f71d2d241786d7ed47e060b9974852450e498ddb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0a27abbad5c43065005d8580f1f1dcb42cb961aecf498065b5bd2d30371e0f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-03T21:00:00Z",
    "title_canon_sha256": "eba50c9d09c311ad39191ec9c9bbf1e77ecbd8762c9a704ea0e53543b7ff6cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0776",
    "kind": "arxiv",
    "version": 2
  }
}