Pith Number

pith:F32E2HY6

pith:2013:F32E2HY6MQGYX6A77BDBLSTTJB

not attested not anchored not stored refs pending

Testing Lambda and the Limits of Cosmography with the Union2.1 Supernova Compilation

Brett Bochner, Damon Pappas, Menglu Dong

arxiv:1308.6050 v3 · 2013-08-28 · 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{F32E2HY6MQGYX6A77BDBLSTTJB}

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	2026-05-18T01:26:58.566304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ef44d1f1e640d8bf81ff84615ca734846f295adfc39d5c283fd84c41542153c

Aliases

arxiv: 1308.6050 · arxiv_version: 1308.6050v3 · doi: 10.48550/arxiv.1308.6050 · pith_short_12: F32E2HY6MQGY · pith_short_16: F32E2HY6MQGYX6A7 · pith_short_8: F32E2HY6

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/F32E2HY6MQGYX6A77BDBLSTTJB \
  | 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: 2ef44d1f1e640d8bf81ff84615ca734846f295adfc39d5c283fd84c41542153c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a73fc7d72abd03be8af1c65b44f8c3966a29489f1f50fd8b52f48640c2809354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-28T04:00:46Z",
    "title_canon_sha256": "14cc3016a275b61a9596ccda8d5d49245d8f42243481c2215d04970a3f46f7dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6050",
    "kind": "arxiv",
    "version": 3
  }
}