Pith Number

pith:AFNWP4FG

pith:2023:AFNWP4FGLDO47Z54KYQLD26G5D

not attested not anchored not stored refs pending

The Core Normal Type Ia Supernova 2019np: An Overall Spherical Explosion with an Aspherical Surface Layer and an Aspherical 56Ni Core

Aleksandar Cikota, Alexei V. Filippenko, Avishay Gal-Yam, Dietrich Baade, Divya Mishra, Ferdinando Patat, J. Craig Wheeler, Justyn R. Maund, Kishore C. Patra, Lifan Wang, Peter Hoeflich, Steve Schulze, Yi Yang

arxiv:2301.04721 v1 · 2023-01-11 · astro-ph.SR · astro-ph.CO · 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{AFNWP4FGLDO47Z54KYQLD26G5D}

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	2026-07-05T05:35:32.898190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015b67f0a658ddcfe7bc5620b1ebc6e8de6f27b75dc65124f4877a96a2abd03c

Aliases

arxiv: 2301.04721 · arxiv_version: 2301.04721v1 · doi: 10.48550/arxiv.2301.04721 · pith_short_12: AFNWP4FGLDO4 · pith_short_16: AFNWP4FGLDO47Z54 · pith_short_8: AFNWP4FG

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/AFNWP4FGLDO47Z54KYQLD26G5D \
  | 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: 015b67f0a658ddcfe7bc5620b1ebc6e8de6f27b75dc65124f4877a96a2abd03c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdd2874c5da4e124f781444b0d4fd807882a23888493f87afe8ec033a79eccff",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-11T21:13:36Z",
    "title_canon_sha256": "522087854f7fd934c7d4622038f5dc7f8c76ce8feeb0a580d0e735e8699d19d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04721",
    "kind": "arxiv",
    "version": 1
  }
}