Pith Number

pith:HWGREO32

pith:2013:HWGREO32IDKJFPAA3KP5KSGLBQ

not attested not anchored not stored refs pending

Bremsstrahlung gamma rays from light Dark Matter

Gabrijela Zaharijas, Marco Cirelli, Pasquale D. Serpico

arxiv:1307.7152 v2 · 2013-07-26 · astro-ph.HE · 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{HWGREO32IDKJFPAA3KP5KSGLBQ}

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	2026-05-18T01:48:33.982908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d8d123b7a40d492bc00da9fd548cb0c2f6d088318af6c22caaead7bace916ce

Aliases

arxiv: 1307.7152 · arxiv_version: 1307.7152v2 · doi: 10.48550/arxiv.1307.7152 · pith_short_12: HWGREO32IDKJ · pith_short_16: HWGREO32IDKJFPAA · pith_short_8: HWGREO32

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/HWGREO32IDKJFPAA3KP5KSGLBQ \
  | 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: 3d8d123b7a40d492bc00da9fd548cb0c2f6d088318af6c22caaead7bace916ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df31a4106b4547e336c8ce1da6bf7b480dc67f1e6a2af7e52e8d5de20b347583",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-26T20:06:36Z",
    "title_canon_sha256": "52ad5c86c8fd90b967be5d481bdd3a24d12de306e56c34a9a9069984d28423fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7152",
    "kind": "arxiv",
    "version": 2
  }
}