Pith Number

pith:L3J74VWS

pith:2001:L3J74VWSNA6KJHLXE36DMAW3PA

not attested not anchored not stored refs pending

The Unique Type Ia Supernova 2000cx in NGC 524

Adam G. Riess, Alexei V. Filippenko, Avishay Gal-Yam, Douglas C. Leonard, Elinor Gates, Eran O. Ofek, Maryam Modjaz, Richard R. Treffers, R. Michael Rich, Ryan Chornock, Weidong Li

arxiv:astro-ph/0107318 v1 · 2001-07-17 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3J74VWSNA6KJHLXE36DMAW3PA}

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	2026-05-18T04:23:01.299879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed3fe56d2683ca49d7726fc3602db7828235dd6640216357bbd2f5252baa668

Aliases

arxiv: astro-ph/0107318 · arxiv_version: astro-ph/0107318v1 · doi: 10.48550/arxiv.astro-ph/0107318 · pith_short_12: L3J74VWSNA6K · pith_short_16: L3J74VWSNA6KJHLX · pith_short_8: L3J74VWS

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/L3J74VWSNA6KJHLXE36DMAW3PA \
  | 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: 5ed3fe56d2683ca49d7726fc3602db7828235dd6640216357bbd2f5252baa668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6ffa2b07518b197dcc5b1cac9c781a0a30ed8fa9a23c7bdcd0e7a5082534a49",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-17T19:59:16Z",
    "title_canon_sha256": "6e48e36ebac13386fa7e2b6694cef1e2c2a0d2479c2fb951e24bfa4f979d19a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107318",
    "kind": "arxiv",
    "version": 1
  }
}