Pith Number

pith:W5BZT7LR

pith:2009:W5BZT7LRKIQGO4CW2BCDQP6ROO

not attested not anchored not stored refs pending

A New Approach to Searching for Dark Matter Signals in Fermi-LAT Gamma Rays

Lisa Goodenough, Spencer Chang

arxiv:0908.2429 v2 · 2009-08-18 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5BZT7LRKIQGO4CW2BCDQP6ROO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:37.800022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b74399fd715220677056d044383fd17388c56eca89f4661cc39cdad047480113

Aliases

arxiv: 0908.2429 · arxiv_version: 0908.2429v2 · doi: 10.48550/arxiv.0908.2429 · pith_short_12: W5BZT7LRKIQG · pith_short_16: W5BZT7LRKIQGO4CW · pith_short_8: W5BZT7LR

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/W5BZT7LRKIQGO4CW2BCDQP6ROO \
  | 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: b74399fd715220677056d044383fd17388c56eca89f4661cc39cdad047480113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0601b49f8deb2ffdaad7fabea9391864b79f73a5cd388deb27ea61986751be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-18T19:33:23Z",
    "title_canon_sha256": "bb35c5754af2d1950eb21aba4c9d9e254a07f1974be21965919b6607d2acb525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2429",
    "kind": "arxiv",
    "version": 2
  }
}