Pith Number

pith:ZXKJDTYJ

pith:1996:ZXKJDTYJ5QC5A5OJWPAUCJ3FBV

not attested not anchored not stored refs pending

Synthetic Spectra of Hydrodynamic Models of Type Ia Supernovae

A. Fisher, D. Branch, E. Baron, Peter Hauschildt, P. Nugent

arxiv:astro-ph/9612044 v1 · 1996-12-04 · 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{ZXKJDTYJ5QC5A5OJWPAUCJ3FBV}

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	2026-05-18T04:28:20.677183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd491cf09ec05d075c9b3c14127650d589e01f245db2edf1b28f407396e8aa1

Aliases

arxiv: astro-ph/9612044 · arxiv_version: astro-ph/9612044v1 · doi: 10.48550/arxiv.astro-ph/9612044 · pith_short_12: ZXKJDTYJ5QC5 · pith_short_16: ZXKJDTYJ5QC5A5OJ · pith_short_8: ZXKJDTYJ

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/ZXKJDTYJ5QC5A5OJWPAUCJ3FBV \
  | 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: cdd491cf09ec05d075c9b3c14127650d589e01f245db2edf1b28f407396e8aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517d6568d5e45dc376078905e99af87f3692a5c0df851f3b016d39861b5022ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-12-04T20:25:20Z",
    "title_canon_sha256": "dee387e424cbc0609e229529fc4d039021799ed9fcee6ef4119f9b451bbfdaed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9612044",
    "kind": "arxiv",
    "version": 1
  }
}