Pith Number

pith:NCSDQ6DH

pith:2017:NCSDQ6DHL2PFBHREPONGJ3QEIJ

not attested not anchored not stored refs pending

Late-time Flattening of Type Ia Supernova Light Curves: Constraints From SN 2014J in M82

2), (2) Weizmann Institute of Science, 3), (3) Purple Mountain Observatory, (4) ESO, (5) STScI, (6) Florida State University, (7) University of Sheffield, (8) Tsinghua University, (9) University of Texas at Austin), Aleksandar Cikota (4), Dietrich Baade (4), Ferdinando Patat (4), Heloise F. Stevance (7), Jason Spyromilio (4), J. Craig Wheeler (9) ((1) Texas A, Justyn Maund (7), Lifan Wang (1, Misty Cracraft (5), M University, Peter A. Hoflich (6), Peter J. Brown (1), William B. Sparks (5), Xiaofeng Wang (8), Yi Yang (1

arxiv:1704.01431 v2 · 2017-04-05 · 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{NCSDQ6DHL2PFBHREPONGJ3QEIJ}

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	2026-05-18T00:25:20.825786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68a43878675e9e509e247b9a64ee0442518581cd62277852daa147da972f2e65

Aliases

arxiv: 1704.01431 · arxiv_version: 1704.01431v2 · doi: 10.48550/arxiv.1704.01431 · pith_short_12: NCSDQ6DHL2PF · pith_short_16: NCSDQ6DHL2PFBHRE · pith_short_8: NCSDQ6DH

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/NCSDQ6DHL2PFBHREPONGJ3QEIJ \
  | 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: 68a43878675e9e509e247b9a64ee0442518581cd62277852daa147da972f2e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90c3e3018ee4fb247a7e8b66ccaf086dc31d56ce5f565ef7d7e4a9148f945ce6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-05T13:55:46Z",
    "title_canon_sha256": "a8dc6ed1efbaa023b5c10de2864ea11579f9dc620a8cdf2936480f9ec2fd8cb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01431",
    "kind": "arxiv",
    "version": 2
  }
}