Pith Number

pith:7TLRAZRL

pith:2001:7TLRAZRLICG43357HRD5JDF67L

not attested not anchored not stored refs pending

NLTE Synthetic Spectral Fits to the Type Ia Supernova 1994D in NGC 4526

David Branch, E. Baron, Eric J. Lentz, Peter H. Hauschildt

arxiv:astro-ph/0104225 v1 · 2001-04-12 · 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{7TLRAZRLICG43357HRD5JDF67L}

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	2026-07-04T16:23:13.860916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd710662b408dcdefbf3c47d48cbefaf4a7628a33e3d2eb688ff9ea9d0c95a8

Aliases

arxiv: astro-ph/0104225 · arxiv_version: astro-ph/0104225v1 · doi: 10.48550/arxiv.astro-ph/0104225 · pith_short_12: 7TLRAZRLICG4 · pith_short_16: 7TLRAZRLICG43357 · pith_short_8: 7TLRAZRL

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/7TLRAZRLICG43357HRD5JDF67L \
  | 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: fcd710662b408dcdefbf3c47d48cbefaf4a7628a33e3d2eb688ff9ea9d0c95a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9752e865254260dfebab30de974cb3f0abf4bc331331c55aacccb40aeac70f08",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-12T16:29:06Z",
    "title_canon_sha256": "875df505fe3b34fc1edd94f006d935cee215956c7640f471ceeb087fb8803d42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104225",
    "kind": "arxiv",
    "version": 1
  }
}