Pith Number

pith:IK7YORCH

pith:2013:IK7YORCHQT2BAQC2MDVA6WU27R

not attested not anchored not stored refs pending

High-z cosmography at a glance

Jun-Qing Xia, Matteo Viel, Stefano Liberati, Vincenzo Vitagliano

arxiv:1302.7155 v1 · 2013-02-28 · 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{IK7YORCHQT2BAQC2MDVA6WU27R}

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	2026-05-18T03:32:16.562061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42bf87444784f410405a60ea0f5a9afc468ccf85039c1ece94e85e44f3d08223

Aliases

arxiv: 1302.7155 · arxiv_version: 1302.7155v1 · doi: 10.48550/arxiv.1302.7155 · pith_short_12: IK7YORCHQT2B · pith_short_16: IK7YORCHQT2BAQC2 · pith_short_8: IK7YORCH

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/IK7YORCHQT2BAQC2MDVA6WU27R \
  | 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: 42bf87444784f410405a60ea0f5a9afc468ccf85039c1ece94e85e44f3d08223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a052c16690a9845e65972a6c07114328d35d47127b842e4db51969b346bb42ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-28T11:14:29Z",
    "title_canon_sha256": "4099777161cf09e34e772f0c5bcf499afa6982148ca5123dbec15b7f215dd746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7155",
    "kind": "arxiv",
    "version": 1
  }
}