Pith Number

pith:WOKQJVBU

pith:2013:WOKQJVBUXTXC5K5YJ4W62BWW4I

not attested not anchored not stored refs pending

Non-Baryonic Dark Matter in Cosmology

A. Del Popolo (Dipartimento di Fisica e Astronomia Universita' di Catania, Brazil), IAG-USP, Italy, Sao Paulo

arxiv:1305.0456 v1 · 2013-05-01 · 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{WOKQJVBUXTXC5K5YJ4W62BWW4I}

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	2026-05-18T02:59:06.276916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39504d434bcee2eabb84f2ded06d6e20893e800b8b8ca4c103906635a0c09c7

Aliases

arxiv: 1305.0456 · arxiv_version: 1305.0456v1 · doi: 10.48550/arxiv.1305.0456 · pith_short_12: WOKQJVBUXTXC · pith_short_16: WOKQJVBUXTXC5K5Y · pith_short_8: WOKQJVBU

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/WOKQJVBUXTXC5K5YJ4W62BWW4I \
  | 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: b39504d434bcee2eabb84f2ded06d6e20893e800b8b8ca4c103906635a0c09c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5798dc82d71765046a54c6ef53fa153dc96a5b4da59b85250eea4a496e57357d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-01T19:44:33Z",
    "title_canon_sha256": "b8bdb74e42668c687899fbc316605b96d88572c41442218b029bde8d6c6e1f6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0456",
    "kind": "arxiv",
    "version": 1
  }
}