Pith Number

pith:W4DW5QXL

pith:2011:W4DW5QXL6LEWNEEMY2AEYN3BHQ

not attested not anchored not stored refs pending

Type Ia Supernova Intrinsic Magnitude Dispersion and the Fitting of Cosmological Parameters

Alex Kim

arxiv:1101.3513 v1 · 2011-01-18 · 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{W4DW5QXL6LEWNEEMY2AEYN3BHQ}

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	2026-05-18T02:03:26.764334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7076ec2ebf2c966908cc6804c37613c08dee95746a33fb75e7ce464335897af

Aliases

arxiv: 1101.3513 · arxiv_version: 1101.3513v1 · doi: 10.48550/arxiv.1101.3513 · pith_short_12: W4DW5QXL6LEW · pith_short_16: W4DW5QXL6LEWNEEM · pith_short_8: W4DW5QXL

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/W4DW5QXL6LEWNEEMY2AEYN3BHQ \
  | 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: b7076ec2ebf2c966908cc6804c37613c08dee95746a33fb75e7ce464335897af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1e1eff8a629f357976d065857127c20759ed56acfc5d84cff46580f92adc83d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-18T17:36:10Z",
    "title_canon_sha256": "25458af62a34dff3c8e2ad6c3a8e1fb9cd06541fd3b312a8fc549db620339114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3513",
    "kind": "arxiv",
    "version": 1
  }
}