Pith Number

pith:BBBQ66D4

pith:2010:BBBQ66D4VQJDAYDXQGADKNB7NB

not attested not anchored not stored refs pending

The mass of the dark matter particle from theory and observations

H. J. de Vega, N. G. Sanchez, P. Salucci

arxiv:1004.1908 v3 · 2010-04-12 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBBQ66D4VQJDAYDXQGADKNB7NB}

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	2026-05-18T02:08:06.835899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08430f787cac12306077818035343f6850a343140b35e898b17d830ea21f3fd1

Aliases

arxiv: 1004.1908 · arxiv_version: 1004.1908v3 · doi: 10.48550/arxiv.1004.1908 · pith_short_12: BBBQ66D4VQJD · pith_short_16: BBBQ66D4VQJDAYDX · pith_short_8: BBBQ66D4

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/BBBQ66D4VQJDAYDXQGADKNB7NB \
  | 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: 08430f787cac12306077818035343f6850a343140b35e898b17d830ea21f3fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a0c8663f58bb8167776a82463bdcb7a290592fcff7f697fc05c0700138c89eb",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-12T09:41:42Z",
    "title_canon_sha256": "b090999327759ee9ef4c7137ffc5bfbf8204d6489e75d9dacbed7ae4d3670694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1908",
    "kind": "arxiv",
    "version": 3
  }
}