Pith Number

pith:C2XUXGVV

pith:2009:C2XUXGVVIXPQZVFWCHTY2KZWDZ

not attested not anchored not stored refs pending

Robust Constraints on Dark Matter Annihilation into Gamma Rays and Charged Particles

T. D. Jacques

arxiv:0908.4127 v1 · 2009-08-28 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2XUXGVVIXPQZVFWCHTY2KZWDZ}

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	2026-05-18T02:34:37.285383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16af4b9ab545df0cd4b611e78d2b361e65325587966273117b9c7945ab5a1f2a

Aliases

arxiv: 0908.4127 · arxiv_version: 0908.4127v1 · doi: 10.48550/arxiv.0908.4127 · pith_short_12: C2XUXGVVIXPQ · pith_short_16: C2XUXGVVIXPQZVFW · pith_short_8: C2XUXGVV

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/C2XUXGVVIXPQZVFWCHTY2KZWDZ \
  | 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: 16af4b9ab545df0cd4b611e78d2b361e65325587966273117b9c7945ab5a1f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c849ce5cb3932848643e59931a5946cf973bcb6e162e4ec075b2650776dd0ea",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-28T03:35:46Z",
    "title_canon_sha256": "9843c7fbc25bd3492d6309801262651a4c643484b42421ed98df91ac81826c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4127",
    "kind": "arxiv",
    "version": 1
  }
}