Pith Number

pith:MD5GUIG3

pith:2010:MD5GUIG3RZ4ASZAZLCDABBSHA6

not attested not anchored not stored refs pending

Heart of Darkness: The Significance of the Zeptobarn Scale for Neutralino Direct Detection

David Sanford, Jonathan L. Feng

arxiv:1009.3934 v2 · 2010-09-20 · hep-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MD5GUIG3RZ4ASZAZLCDABBSHA6}

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	2026-05-18T04:21:22.629524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60fa6a20db8e780964195886008647079283a722c7c1603d7d538abe06c27aff

Aliases

arxiv: 1009.3934 · arxiv_version: 1009.3934v2 · doi: 10.48550/arxiv.1009.3934 · pith_short_12: MD5GUIG3RZ4A · pith_short_16: MD5GUIG3RZ4ASZAZ · pith_short_8: MD5GUIG3

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/MD5GUIG3RZ4ASZAZLCDABBSHA6 \
  | 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: 60fa6a20db8e780964195886008647079283a722c7c1603d7d538abe06c27aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84dce4d7ed01109fa8dc1b2a7404e362244b0fe2847e0974d6f74e923bc2ffa9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2010-09-20T20:00:08Z",
    "title_canon_sha256": "df5ba5a50eb11031b4870886b5cbc4b0293b6a76c76425696bd1f9d65506752e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3934",
    "kind": "arxiv",
    "version": 2
  }
}