Pith Number

pith:K6OP7DVD

pith:2014:K6OP7DVDZPY22HTDUZFFJQAJUE

not attested not anchored not stored refs pending

Model-independent determination of curvature parameter by using $H(z)$ and $D_A(z)$ data pair from BAO measurement

Shi-Yu Li, Ti-Pei Li, Tong-Jie Zhang, Yun-Long Li

arxiv:1404.0773 v2 · 2014-04-03 · 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{K6OP7DVDZPY22HTDUZFFJQAJUE}

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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	2026-05-18T01:43:42.741787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

579cff8ea3cbf1ad1e63a64a54c009a12c0232da3b71b56fd361687a82b53ccd

Aliases

arxiv: 1404.0773 · arxiv_version: 1404.0773v2 · doi: 10.48550/arxiv.1404.0773 · pith_short_12: K6OP7DVDZPY2 · pith_short_16: K6OP7DVDZPY22HTD · pith_short_8: K6OP7DVD

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/K6OP7DVDZPY22HTDUZFFJQAJUE \
  | 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: 579cff8ea3cbf1ad1e63a64a54c009a12c0232da3b71b56fd361687a82b53ccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c6430982072b3b0be77b05388fafe8d95e5d80362f8f2497f601179a9c895ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-03T06:26:08Z",
    "title_canon_sha256": "3b795fade738de2511be53fd08a2e44a9c7f8c4925f132b299a652dc03769756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0773",
    "kind": "arxiv",
    "version": 2
  }
}