Pith Number

pith:IJ46VYJM

pith:2003:IJ46VYJMXIN6M6366GKBI57MZT

not attested not anchored not stored refs pending

Mass limits for the progenitor star of supernova 2001du and other type II-P supernovae

Cambridge) D. Kilkenny (SAAO), C. A. Tout (IoA, G. F. Gilmore, J. R. Maund, S. Benetti (Osservatorio Astronomico di Padova), S. J. Smartt

arxiv:astro-ph/0301324 v2 · 2003-01-16 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJ46VYJMXIN6M6366GKBI57MZT}

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	2026-07-04T15:52:02.548540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4279eae12cba1be67b7ef1941477ecccd7ea8be53c6566b55f1e30270ce057e7

Aliases

arxiv: astro-ph/0301324 · arxiv_version: astro-ph/0301324v2 · doi: 10.48550/arxiv.astro-ph/0301324 · pith_short_12: IJ46VYJMXIN6 · pith_short_16: IJ46VYJMXIN6M636 · pith_short_8: IJ46VYJM

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/IJ46VYJMXIN6M6366GKBI57MZT \
  | 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: 4279eae12cba1be67b7ef1941477ecccd7ea8be53c6566b55f1e30270ce057e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10736aaed592f1e522a1573a6d3573cc440f68a1df67de285d6560e1b68084fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-16T16:07:27Z",
    "title_canon_sha256": "2b3399adcc75a1468070904743c62fb4f59b7ee58c2161051fa96f8f6905b9e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301324",
    "kind": "arxiv",
    "version": 2
  }
}