Pith Number

pith:4A3M7QEZ

pith:2008:4A3M7QEZC2RVS5C35KAMSQJ52E

not attested not anchored not stored refs pending

Cosmic Constraint on Ricci Dark Energy Model

Baorong Chang, Jianbo Lu, Lixin Xu, Wenbo Li

arxiv:0810.4730 v2 · 2008-10-26 · 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{4A3M7QEZC2RVS5C35KAMSQJ52E}

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

Dark Matter from Holography

Receipt and verification

First computed	2026-05-18T02:35:14.147187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e036cfc09916a359745bea80c9413dd1270c3fd064f9dd032860b8c9d2c272d3

Aliases

arxiv: 0810.4730 · arxiv_version: 0810.4730v2 · doi: 10.48550/arxiv.0810.4730 · pith_short_12: 4A3M7QEZC2RV · pith_short_16: 4A3M7QEZC2RVS5C3 · pith_short_8: 4A3M7QEZ

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/4A3M7QEZC2RVS5C35KAMSQJ52E \
  | 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: e036cfc09916a359745bea80c9413dd1270c3fd064f9dd032860b8c9d2c272d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1652f01a5f8a2cfbe4966a70c4b4b3b5fcd620d15fe5a37e47ef98283664ca46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-26T23:53:25Z",
    "title_canon_sha256": "e15c7ba8b814dd3a628d00ba5882d7abb1ede1ae9db318d5aa18a246caf38826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4730",
    "kind": "arxiv",
    "version": 2
  }
}