Pith Number

pith:ID5VWYY2

pith:2007:ID5VWYY2ZEO3CC3V3KTXLCI6GZ

not attested not anchored not stored refs pending

Probing the Coupling between Dark Components of the Universe

Nobuyoshi Ohta, Shinji Tsujikawa, Zong-Kuan Guo

arxiv:astro-ph/0702015 v3 · 2007-02-01 · astro-ph · gr-qc · 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{ID5VWYY2ZEO3CC3V3KTXLCI6GZ}

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.

Cited by

1 paper in Pith

The model-independent degeneracy-breaking point in cosmological models with interacting Dark Energy and Dark Matter

Receipt and verification

First computed	2026-07-04T17:27:24.883715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40fb5b631ac91db10b75daa775891e366fc9a518e8fa42344ba62b75fb55f452

Aliases

arxiv: astro-ph/0702015 · arxiv_version: astro-ph/0702015v3 · doi: 10.48550/arxiv.astro-ph/0702015 · pith_short_12: ID5VWYY2ZEO3 · pith_short_16: ID5VWYY2ZEO3CC3V · pith_short_8: ID5VWYY2

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/ID5VWYY2ZEO3CC3V3KTXLCI6GZ \
  | 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: 40fb5b631ac91db10b75daa775891e366fc9a518e8fa42344ba62b75fb55f452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eacd51a634bdc252d89c2f952d20c30d2f181826634730ff261e097c9714ab7f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-01T03:17:17Z",
    "title_canon_sha256": "e4703a58a0b6b456dd3cf443844c2ac24a9685789f5037aee38776908a0e64dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702015",
    "kind": "arxiv",
    "version": 3
  }
}