Pith Number

pith:2W33RVUC

pith:2011:2W33RVUC7IOL2U7TWTN4ADUIUQ

not attested not anchored not stored refs pending

Breaking parameter degeneracy in interacting dark energy models from observations

Bin Wang, Jian-Hua He, Xiao-Dong Xu

arxiv:1103.2632 v2 · 2011-03-14 · 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{2W33RVUC7IOL2U7TWTN4ADUIUQ}

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	2026-05-18T02:02:53.887781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5b7b8d682fa1cbd53f3b4dbc00e88a41b432c195f16981b05095b66a1f235f5

Aliases

arxiv: 1103.2632 · arxiv_version: 1103.2632v2 · doi: 10.48550/arxiv.1103.2632 · pith_short_12: 2W33RVUC7IOL · pith_short_16: 2W33RVUC7IOL2U7T · pith_short_8: 2W33RVUC

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/2W33RVUC7IOL2U7TWTN4ADUIUQ \
  | 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: d5b7b8d682fa1cbd53f3b4dbc00e88a41b432c195f16981b05095b66a1f235f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e2376a547cb676a50a0ee0ae359cbf10b29bf44ceca2ed2ee8232b95e5fe84",
    "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": "2011-03-14T11:29:48Z",
    "title_canon_sha256": "0d60b8d463bebc50043ca6b185e90a3ff7ac742a15f16c26e639926e8f5655cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2632",
    "kind": "arxiv",
    "version": 2
  }
}