Pith Number

pith:QRNWDU5S

pith:2009:QRNWDU5SXV2Y465Z3EDMZMUUXE

not attested not anchored not stored refs pending

Unified Dark Matter models with fast transition

Daniele Bertacca, Davide Pietrobon, Marco Bruni, Oliver F. Piattella

arxiv:0911.2664 v2 · 2009-11-13 · 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{QRNWDU5SXV2Y465Z3EDMZMUUXE}

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

Dissipative Cosmology and the Nature of Dark Energy: Insights from Bulk Viscosity with DESI DR2 observations

Receipt and verification

First computed	2026-05-18T02:34:05.545143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845b61d3b2bd758e7bb9d906ccb294b9198a08e50423b00f5a19c9386594d01e

Aliases

arxiv: 0911.2664 · arxiv_version: 0911.2664v2 · doi: 10.48550/arxiv.0911.2664 · pith_short_12: QRNWDU5SXV2Y · pith_short_16: QRNWDU5SXV2Y465Z · pith_short_8: QRNWDU5S

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/QRNWDU5SXV2Y465Z3EDMZMUUXE \
  | 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: 845b61d3b2bd758e7bb9d906ccb294b9198a08e50423b00f5a19c9386594d01e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d05c4430ddfa7a7426fcd25cd525d94ec867767c64752627efe9afd572d2256",
    "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": "2009-11-13T17:43:11Z",
    "title_canon_sha256": "e90c6bf128c48086a0d32c5da108acf991af016c7814890c316db4f2edeb5028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2664",
    "kind": "arxiv",
    "version": 2
  }
}