Pith Number

pith:KZU77EQK

pith:2018:KZU77EQKBPLBPOJ3SSJ43I5W6W

not attested not anchored not stored refs pending

Using late-time optical and near-infrared spectra to constrain Type Ia supernova explosion properties

A. Jerkstrand, C. Frohmaier, C. Inserra, C. P. Guti\'errez, D. A. Howell, G. Dimitriadis, G. Hosseinzadeh, J. Sollerman, J. Spyromilio, K. Maguire, L. Galbany, L. Shingles, M. Sullivan, R. Cartier, R. Rudy, S. A. Sim, T.-W. Chen

arxiv:1803.10252 v1 · 2018-03-27 · astro-ph.HE · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZU77EQKBPLBPOJ3SSJ43I5W6W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:18:48.912544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5669ff920a0bd617b93b9493cda3b6f5972a95096cf9087272ddf264961c07a2

Aliases

arxiv: 1803.10252 · arxiv_version: 1803.10252v1 · doi: 10.48550/arxiv.1803.10252 · pith_short_12: KZU77EQKBPLB · pith_short_16: KZU77EQKBPLBPOJ3 · pith_short_8: KZU77EQK

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/KZU77EQKBPLBPOJ3SSJ43I5W6W \
  | 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: 5669ff920a0bd617b93b9493cda3b6f5972a95096cf9087272ddf264961c07a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98e107ad1711cb3b957b5909ea4ed064ca1570c419026c8599cb6f5cb8c93517",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-27T18:01:47Z",
    "title_canon_sha256": "a10f5bce0a4abe56b842360c22bf38468fdbed743c42ad295ee91c566d00a56b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10252",
    "kind": "arxiv",
    "version": 1
  }
}