Pith Number

pith:XUSGSUP2

pith:2013:XUSGSUP2YXBNVUONSGC5HNYJJJ

not attested not anchored not stored refs pending

Constraining the dynamical dark energy parameters: Planck-2013 vs WMAP9

B. Novosyadlyj, O. Sergijenko, R. Durrer, V. Pelykh

arxiv:1312.6579 v2 · 2013-12-23 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUSGSUP2YXBNVUONSGC5HNYJJJ}

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	2026-05-18T01:45:42.461189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd246951fac5c2dad1cd9185d3b7094a7e5104e9a3b8dc3ca5aaffddf5560d05

Aliases

arxiv: 1312.6579 · arxiv_version: 1312.6579v2 · doi: 10.48550/arxiv.1312.6579 · pith_short_12: XUSGSUP2YXBN · pith_short_16: XUSGSUP2YXBNVUON · pith_short_8: XUSGSUP2

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/XUSGSUP2YXBNVUONSGC5HNYJJJ \
  | 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: bd246951fac5c2dad1cd9185d3b7094a7e5104e9a3b8dc3ca5aaffddf5560d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8a369ea9862002e7499c59b203041330c8d428e4bfc8cd5ef4759e281d60fc",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-23T15:43:19Z",
    "title_canon_sha256": "7139565053751678d37b2fc1910bc810db30d8ea6cfbf175681311489726b247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6579",
    "kind": "arxiv",
    "version": 2
  }
}