Pith Number

pith:YXPQORQ4

pith:2004:YXPQORQ43ZFBGBQIZJUNIP6CQK

not attested not anchored not stored refs pending

Enhancement of Dark Matter Abundance in Scalar-Tensor Dark Energy

A. Masiero, F. Rosati, M. Pietroni, N. Fornengo, R. Catena

arxiv:astro-ph/0406152 v1 · 2004-06-07 · astro-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{YXPQORQ43ZFBGBQIZJUNIP6CQK}

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	2026-07-04T14:13:30.939075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5df07461cde4a130608ca68d43fc2829d9d52904929d90ed4555106da9e5cda

Aliases

arxiv: astro-ph/0406152 · arxiv_version: astro-ph/0406152v1 · doi: 10.48550/arxiv.astro-ph/0406152 · pith_short_12: YXPQORQ43ZFB · pith_short_16: YXPQORQ43ZFBGBQI · pith_short_8: YXPQORQ4

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/YXPQORQ43ZFBGBQIZJUNIP6CQK \
  | 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: c5df07461cde4a130608ca68d43fc2829d9d52904929d90ed4555106da9e5cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0629bb5f8ae04512fc94c70f5dba483fe0789e19f2ed1e6c0069df74c5172617",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-07T08:23:18Z",
    "title_canon_sha256": "f50da7ffa5e2ebcfaa5cc44af38e96a63fd3ab8a103039d66a935ec0b085cad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406152",
    "kind": "arxiv",
    "version": 1
  }
}