Pith Number

pith:MTYQ5PYU

pith:2017:MTYQ5PYUFBZNOSMJZZORJ55KUM

not attested not anchored not stored refs pending

An Empirical Fitting Method to Type Ia Supernova Light Curves. III. A Three-Parameter Relationship: Peak Magnitude, Rise Time, and Photospheric Velocity

Alexei V. Filippenko, Patrick L. Kelly, Weikang Zheng

arxiv:1712.01495 v2 · 2017-12-05 · 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{MTYQ5PYUFBZNOSMJZZORJ55KUM}

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	2026-05-18T00:15:19.575921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64f10ebf142872d74989ce5d14f7aaa33decc53ac5f1bd27e2c5c2a8856f37c7

Aliases

arxiv: 1712.01495 · arxiv_version: 1712.01495v2 · doi: 10.48550/arxiv.1712.01495 · pith_short_12: MTYQ5PYUFBZN · pith_short_16: MTYQ5PYUFBZNOSMJ · pith_short_8: MTYQ5PYU

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/MTYQ5PYUFBZNOSMJZZORJ55KUM \
  | 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: 64f10ebf142872d74989ce5d14f7aaa33decc53ac5f1bd27e2c5c2a8856f37c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "506d803f4db965ea9169162da74b2d3a36a1b23253a07434622756e87523198f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-05T06:26:44Z",
    "title_canon_sha256": "e4182f2ad294fa3fa8afb61982fda7eb2015c54ef2e41d6276daca4ea9987db8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01495",
    "kind": "arxiv",
    "version": 2
  }
}