Pith Number

pith:YMWFNFNV

pith:2013:YMWFNFNVKXF57J5ZBB6WMAF5QC

not attested not anchored not stored refs pending

Dark Energy Constraints after Planck

Hong Li, Jun-Qing Xia, Xinmin Zhang

arxiv:1308.0188 v2 · 2013-08-01 · astro-ph.CO · hep-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{YMWFNFNVKXF57J5ZBB6WMAF5QC}

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	2026-05-18T03:14:19.011037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c32c5695b555cbdfa7b9087d6600bd808e8dffe6368a220ec78d9d8c45d1f349

Aliases

arxiv: 1308.0188 · arxiv_version: 1308.0188v2 · doi: 10.48550/arxiv.1308.0188 · pith_short_12: YMWFNFNVKXF5 · pith_short_16: YMWFNFNVKXF57J5Z · pith_short_8: YMWFNFNV

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/YMWFNFNVKXF57J5ZBB6WMAF5QC \
  | 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: c32c5695b555cbdfa7b9087d6600bd808e8dffe6368a220ec78d9d8c45d1f349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f8f37cb02efc1f7cf27b3668dcffddadbbd7b59b695bd60c806f562bde0e572",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-01T13:24:30Z",
    "title_canon_sha256": "086482b5cf6e4a6c3f34c8590e0d70d961167c6decd83a85e3acb2865570ff14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0188",
    "kind": "arxiv",
    "version": 2
  }
}