Pith Number

pith:ZYYK35HA

pith:2008:ZYYK35HAUQPBGXKCT2X3YOHAZ4

not attested not anchored not stored refs pending

On using the WMAP distance priors in constraining the time evolving equation of state of dark energy

Gong-Bo Zhao, Hong Li, Jun-Qing Xia, Xinmin Zhang, Zu-Hui Fan

arxiv:0805.1118 v2 · 2008-05-08 · 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{ZYYK35HAUQPBGXKCT2X3YOHAZ4}

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	2026-05-18T04:29:33.685601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce30adf4e0a41e135d429eafbc38e0cf24fe97c2b2191b23486ebd68f34a70a3

Aliases

arxiv: 0805.1118 · arxiv_version: 0805.1118v2 · doi: 10.48550/arxiv.0805.1118 · pith_short_12: ZYYK35HAUQPB · pith_short_16: ZYYK35HAUQPBGXKC · pith_short_8: ZYYK35HA

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/ZYYK35HAUQPBGXKCT2X3YOHAZ4 \
  | 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: ce30adf4e0a41e135d429eafbc38e0cf24fe97c2b2191b23486ebd68f34a70a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3d6f22ad22e04aa70dfa22e75ad2ae03a14f2edcb13d404aa5fa60c2663d2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-08T08:05:02Z",
    "title_canon_sha256": "0e16dc58b952e69d0e8db883383d6fa056c2f2b53b11a46f92b62a5edeeec968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1118",
    "kind": "arxiv",
    "version": 2
  }
}