Pith Number

pith:RGBFLU5M

pith:2010:RGBFLU5MOOXCAT4FR65GKGAQZQ

not attested not anchored not stored refs pending

Dark Energy Interacting with Dark Matter in Classical Einstein and Loop Quantum Cosmology

Song Li, Yongge Ma

arxiv:1004.4350 v1 · 2010-04-25 · 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{RGBFLU5MOOXCAT4FR65GKGAQZQ}

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	2026-05-18T02:33:33.545138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e

Aliases

arxiv: 1004.4350 · arxiv_version: 1004.4350v1 · doi: 10.48550/arxiv.1004.4350 · pith_short_12: RGBFLU5MOOXC · pith_short_16: RGBFLU5MOOXCAT4F · pith_short_8: RGBFLU5M

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/RGBFLU5MOOXCAT4FR65GKGAQZQ \
  | 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: 898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3bc2ee621367eb481faedceea5bc6eb5b0ae86f08f4c5e3c08d3b22db22481a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-25T13:07:39Z",
    "title_canon_sha256": "97079657f0fac6dfa1181d3c84880658e80b549fcc305f33a9375aa4e7e826ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4350",
    "kind": "arxiv",
    "version": 1
  }
}