Pith Number

pith:K3FV7XTE

pith:2013:K3FV7XTEZ26R7CZPWMOPHMVIAR

not attested not anchored not stored refs pending

An outburst from a massive star 40 days before a supernova explosion

A. Gal-Yam, A. Horesh, A. V. Filippenko, D. A. Howell, D. Murray, E. Nakar, E. O. Ofek, I. Arcavi, J. M. Silverman, J. S. Bloom, J. Surace, L. Bildsten, M. M. Kasliwal, M. Sullivan, N. J. Shaviv, O. Yaron, P. E. Nugent, R. Laher, S. B. Cenko, S. R. Kulkarni

arxiv:1302.2633 v1 · 2013-02-11 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3FV7XTEZ26R7CZPWMOPHMVIAR}

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	2026-05-18T01:51:42.457247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56cb5fde64cebd1f8b2fb31cf3b2a8046b8cf9e7f10a863aa2890a6ead980712

Aliases

arxiv: 1302.2633 · arxiv_version: 1302.2633v1 · doi: 10.48550/arxiv.1302.2633 · pith_short_12: K3FV7XTEZ26R · pith_short_16: K3FV7XTEZ26R7CZP · pith_short_8: K3FV7XTE

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/K3FV7XTEZ26R7CZPWMOPHMVIAR \
  | 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: 56cb5fde64cebd1f8b2fb31cf3b2a8046b8cf9e7f10a863aa2890a6ead980712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a11507baed64894495add972c9488636aeb299528d9a049bdd7497cc83df3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-11T21:01:04Z",
    "title_canon_sha256": "7e4eba2c7202a47c695d459cf6af85e06cbf11aecbd368a46978f335b5a7297e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2633",
    "kind": "arxiv",
    "version": 1
  }
}