Pith Number

pith:3X55CXB3

pith:2018:3X55CXB3ENCZOR44CMU6QK3DV3

not attested not anchored not stored refs pending

Stress testing the dark energy equation of state imprint on supernova data

Alex I. Malz, Ben Moews, Caroline Heneka, Emille E. O. Ishida, Joe Zuntz (for the COIN Collaboration), Rafael S. de Souza, Ricardo Vilalta

arxiv:1812.09786 v2 · 2018-12-23 · astro-ph.CO · astro-ph.IM · stat.AP · stat.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{3X55CXB3ENCZOR44CMU6QK3DV3}

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	2026-05-17T23:41:12.411112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddfbd15c3b234597479c1329e82b63aefa67e8ed26a6a65df868326d494eaaea

Aliases

arxiv: 1812.09786 · arxiv_version: 1812.09786v2 · doi: 10.48550/arxiv.1812.09786 · pith_short_12: 3X55CXB3ENCZ · pith_short_16: 3X55CXB3ENCZOR44 · pith_short_8: 3X55CXB3

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/3X55CXB3ENCZOR44CMU6QK3DV3 \
  | 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: ddfbd15c3b234597479c1329e82b63aefa67e8ed26a6a65df868326d494eaaea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f2fdc42fe63d1533fcf0a7df549865fcf950b5c2e1cf39856f3305005f0fb8",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-23T22:26:18Z",
    "title_canon_sha256": "f19c6f15e171a3d0903a91287c914f57dc93d412089d16c96e1b05fd2669df32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09786",
    "kind": "arxiv",
    "version": 2
  }
}