Pith Number

pith:T4VL7ZYT

pith:2019:T4VL7ZYTY3DG2HRCR43RDUOYW4

not attested not anchored not stored refs pending

Evidence for an aspherical Population III supernova explosion inferred from the hyper metal-poor star HE1327-2326

Anna Frebel, Ian U. Roederer, Jason Tumlinson, Ken'ichi Nomoto, Miho Ishigaki, Nozomu Tominaga, Rana Ezzeddine, Vinicius M. Placco, Wako Aoki

arxiv:1904.03211 v1 · 2019-04-05 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4VL7ZYTY3DG2HRCR43RDUOYW4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:46:35.729928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2abfe713c6c66d1e228f3711d1d8b734f3523dd187666b3d872c940740e906

Aliases

arxiv: 1904.03211 · arxiv_version: 1904.03211v1 · doi: 10.48550/arxiv.1904.03211 · pith_short_12: T4VL7ZYTY3DG · pith_short_16: T4VL7ZYTY3DG2HRC · pith_short_8: T4VL7ZYT

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/T4VL7ZYTY3DG2HRCR43RDUOYW4 \
  | 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: 9f2abfe713c6c66d1e228f3711d1d8b734f3523dd187666b3d872c940740e906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b1b3f299dae340269727bb1ba20f33c287fb882bccad0dcdd30daf5a136c5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-05T18:08:27Z",
    "title_canon_sha256": "cc12168096da5fcccef5a7d9a39564bcaaf0f565a9df12bca1c74c37edf30e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03211",
    "kind": "arxiv",
    "version": 1
  }
}