Pith Number

pith:5XVBEMRI

pith:2009:5XVBEMRIVZXKURRKUORJB4AAAR

not attested not anchored not stored refs pending

Quantifying Spectral Features of Type Ia Supernovae

A. Wagers, L. Wang, S. Asztalos

arxiv:0907.3171 v1 · 2009-07-18 · astro-ph.IM · 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{5XVBEMRIVZXKURRKUORJB4AAAR}

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	2026-05-18T02:12:55.986044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edea123228ae6eaa462aa3a290f0000465a38ebdbaf1baba92fc5fa459423fe6

Aliases

arxiv: 0907.3171 · arxiv_version: 0907.3171v1 · doi: 10.48550/arxiv.0907.3171 · pith_short_12: 5XVBEMRIVZXK · pith_short_16: 5XVBEMRIVZXKURRK · pith_short_8: 5XVBEMRI

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/5XVBEMRIVZXKURRKUORJB4AAAR \
  | 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: edea123228ae6eaa462aa3a290f0000465a38ebdbaf1baba92fc5fa459423fe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13368512ad90c37a592749a2c27e24dd21107a0a26ac9e7a7bf2db03a46b141a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-07-18T01:16:21Z",
    "title_canon_sha256": "5d099844bc0394a9a3981cb7f6743d4c1505392a9dbcf65e52bfce272e3b0963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3171",
    "kind": "arxiv",
    "version": 1
  }
}