Pith Number

pith:BO2ZTCDA

pith:2013:BO2ZTCDAXZACWDXPP2X763B6NG

not attested not anchored not stored refs pending

Equation of State of Dark Matter after Planck Data

Lixin Xu, Yadong Chang

arxiv:1310.1532 v3 · 2013-10-06 · 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{BO2ZTCDAXZACWDXPP2X763B6NG}

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	2026-05-18T03:05:09.552437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bb5998860be402b0eef7eafff6c3e69a414d5fe86327ec831c4ed41bc5c5bb4

Aliases

arxiv: 1310.1532 · arxiv_version: 1310.1532v3 · doi: 10.48550/arxiv.1310.1532 · pith_short_12: BO2ZTCDAXZAC · pith_short_16: BO2ZTCDAXZACWDXP · pith_short_8: BO2ZTCDA

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/BO2ZTCDAXZACWDXPP2X763B6NG \
  | 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: 0bb5998860be402b0eef7eafff6c3e69a414d5fe86327ec831c4ed41bc5c5bb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3271b4eedccb42033503c3bc75d49d0fb847c5049e9cf9cc00a7adf887acf37c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-06T02:56:15Z",
    "title_canon_sha256": "b76716fd0d572a680fb76e380356dc54b51c1f122e39c0d5598b59bb9126e24c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1532",
    "kind": "arxiv",
    "version": 3
  }
}