Pith Number

pith:YARRWZ5M

pith:2019:YARRWZ5MUUOM2WDAMYZEWHVLMM

not attested not anchored not stored refs pending

Investigating the Diversity of Type Ia Supernova Spectra with the Open-Source Relational Database Kaepora

A. Duarte, D. O. Jones, E. Strasburger, K. Davis, L. Sun, M. Conlon, M. R. Siebert, M. Schubert, N. Kazmi, R. Angulo, R. J. Foley, R. Nishimoto, R. Tippens

arxiv:1905.02204 v1 · 2019-05-06 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YARRWZ5MUUOM2WDAMYZEWHVLMM}

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	2026-05-17T23:46:52.014010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0231b67aca51ccd586066324b1eab631ecb1497dc38f27ec75c741cfb2ec606

Aliases

arxiv: 1905.02204 · arxiv_version: 1905.02204v1 · doi: 10.48550/arxiv.1905.02204 · pith_short_12: YARRWZ5MUUOM · pith_short_16: YARRWZ5MUUOM2WDA · pith_short_8: YARRWZ5M

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/YARRWZ5MUUOM2WDAMYZEWHVLMM \
  | 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: c0231b67aca51ccd586066324b1eab631ecb1497dc38f27ec75c741cfb2ec606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fa96e77d313f77da280c6b91986721dd3c4e848ea0671f8a9b515390f34b1fc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-06T18:00:00Z",
    "title_canon_sha256": "bd800481c5ef2736de0b088165406198f60554a801c4efb1b701a4129365b402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02204",
    "kind": "arxiv",
    "version": 1
  }
}