Pith Number

pith:RDWLQWNL

pith:2013:RDWLQWNLYQ4D4OWZFPG3V434X7

not attested not anchored not stored refs pending

Bounds on Dark Matter Properties from Radio Observations of Ursa Major II using the Green Bank Telescope

Aravind Natarajan, Beth Willman, Brian Mason, James Aguirre, Jeffrey B. Peterson, Kristine Spekkens, Tabitha C. Voytek

arxiv:1308.4979 v2 · 2013-08-22 · 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{RDWLQWNLYQ4D4OWZFPG3V434X7}

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	2026-05-18T03:07:22.794500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88ecb859abc4383e3ad92bcdbaf37cbfd4519d6b0c632379806ba6ed2b393453

Aliases

arxiv: 1308.4979 · arxiv_version: 1308.4979v2 · doi: 10.48550/arxiv.1308.4979 · pith_short_12: RDWLQWNLYQ4D · pith_short_16: RDWLQWNLYQ4D4OWZ · pith_short_8: RDWLQWNL

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/RDWLQWNLYQ4D4OWZFPG3V434X7 \
  | 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: 88ecb859abc4383e3ad92bcdbaf37cbfd4519d6b0c632379806ba6ed2b393453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d95663d3807b54e42357ee6a7867e4e7b9838086f41ea86c61302f424eaac7",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-22T20:00:30Z",
    "title_canon_sha256": "38738d317930385d1df19d7967118f225fefcc9e50049fd67de3bc92fd0d847b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4979",
    "kind": "arxiv",
    "version": 2
  }
}