Pith Number

pith:W2UPNG2P

pith:2014:W2UPNG2PQKZPISCV2F7MMNB23W

not attested not anchored not stored refs pending

Cosmic equation of state from combined angular diameter distances: Does the tension with luminosity distances exist?

Shuo Cao, Zong-Hong Zhu

arxiv:1410.6567 v1 · 2014-10-24 · 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{W2UPNG2PQKZPISCV2F7MMNB23W}

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	2026-05-18T00:26:47.394617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a8f69b4f82b2f44855d17ec6343addabe6dca1310dc59276c15b968bae50b7

Aliases

arxiv: 1410.6567 · arxiv_version: 1410.6567v1 · doi: 10.48550/arxiv.1410.6567 · pith_short_12: W2UPNG2PQKZP · pith_short_16: W2UPNG2PQKZPISCV · pith_short_8: W2UPNG2P

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/W2UPNG2PQKZPISCV2F7MMNB23W \
  | 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: b6a8f69b4f82b2f44855d17ec6343addabe6dca1310dc59276c15b968bae50b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8106b7d1c3ab98c47f907cbb8d5cb238561a07c67630137373ace530a4c0890a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-10-24T04:20:16Z",
    "title_canon_sha256": "0fbf16f034e984698d8e8691eb3eaf71b4711faa498bce928cb2fee5077e35a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6567",
    "kind": "arxiv",
    "version": 1
  }
}