Pith Number

pith:ECFCXHZ7

pith:2019:ECFCXHZ7VQKZ4CR7YMKW245C74

not attested not anchored not stored refs pending

Understanding nebular spectra of Type Ia supernovae

D. John Hillier, Kevin Wilk, Luc Dessart

arxiv:1906.01048 v1 · 2019-06-03 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECFCXHZ7VQKZ4CR7YMKW245C74}

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.

Cited by

1 paper in Pith

Numerical and Physical Challenges to Nebular Spectroscopy in Thermonuclear Supernovae

Receipt and verification

First computed	2026-07-05T00:48:15.506441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208a2b9f3fac159e0a3fc3156d73a2ff16e9093423e4eb3d4ad80ad3eb6894fc

Aliases

arxiv: 1906.01048 · arxiv_version: 1906.01048v1 · doi: 10.48550/arxiv.1906.01048 · pith_short_12: ECFCXHZ7VQKZ · pith_short_16: ECFCXHZ7VQKZ4CR7 · pith_short_8: ECFCXHZ7

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/ECFCXHZ7VQKZ4CR7YMKW245C74 \
  | 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: 208a2b9f3fac159e0a3fc3156d73a2ff16e9093423e4eb3d4ad80ad3eb6894fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ccc42c7aec5cc72451b1f59d45957a62455b8858d7adebd65995c941b9b3530",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-03T19:54:47Z",
    "title_canon_sha256": "6c0107c504a419fd18a421a0c5a012776efcf016a20afa37b5ff31ad36291247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01048",
    "kind": "arxiv",
    "version": 1
  }
}