Pith Number

pith:EP4A3FM3

pith:2010:EP4A3FM34YR2ZMCHSOUOC4JACW

not attested not anchored not stored refs pending

Latest Cosmological Constraints on Cardassian expansion models including the updated Gamma-ray bursts

Nan Liang, Puxun Wu, Zong-Hong Zhu

arxiv:1006.1105 v2 · 2010-06-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EP4A3FM34YR2ZMCHSOUOC4JACW}

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	2026-05-18T02:06:56.991247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23f80d959be623acb04793a8e1712015b1b92b703e7499c0290bd5100fdbaa54

Aliases

arxiv: 1006.1105 · arxiv_version: 1006.1105v2 · doi: 10.48550/arxiv.1006.1105 · pith_short_12: EP4A3FM34YR2 · pith_short_16: EP4A3FM34YR2ZMCH · pith_short_8: EP4A3FM3

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/EP4A3FM34YR2ZMCHSOUOC4JACW \
  | 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: 23f80d959be623acb04793a8e1712015b1b92b703e7499c0290bd5100fdbaa54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e19ac6c7c5ae2640c59696399893cc721dbf31aecabf35983fbc49671eadd97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-06T14:29:33Z",
    "title_canon_sha256": "fd2846dc8d408a09ae87ee388cf63ac36e26b57c03c9d4acaee6d8f824c58028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1105",
    "kind": "arxiv",
    "version": 2
  }
}