Pith Number

pith:SSGOJVQO

pith:2015:SSGOJVQOODRAYIU2J4IWJ5UW6L

not attested not anchored not stored refs pending

Comparison of cosmological models using standard rulers and candles

Marek Biesiada, Shuo Cao, Song Li, Xiaogang Zheng, Xiaolei Li

arxiv:1510.03494 v2 · 2015-10-13 · 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{SSGOJVQOODRAYIU2J4IWJ5UW6L}

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	2026-05-18T00:26:47.150472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948ce4d60e70e20c229a4f1164f696f2e308804fcf469a79e3ef45910f2e0433

Aliases

arxiv: 1510.03494 · arxiv_version: 1510.03494v2 · doi: 10.48550/arxiv.1510.03494 · pith_short_12: SSGOJVQOODRA · pith_short_16: SSGOJVQOODRAYIU2 · pith_short_8: SSGOJVQO

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/SSGOJVQOODRAYIU2J4IWJ5UW6L \
  | 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: 948ce4d60e70e20c229a4f1164f696f2e308804fcf469a79e3ef45910f2e0433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30a93c6f02018373fd1dbf672fada117cb1b26ac4e698422a29953978b1c5efb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-13T00:51:40Z",
    "title_canon_sha256": "d2a5491d94bd998bc9acfe2f4224c7119fd9a0311dd6a26f25dd0758cd95f0e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03494",
    "kind": "arxiv",
    "version": 2
  }
}