Pith Number

pith:K2AZDLPO

pith:2013:K2AZDLPOFKWUALF4DZDZXDJPO4

not attested not anchored not stored refs pending

Supernova 2012ec: Identification of the progenitor and early monitoring with PESSTO

A. Gal-Yam, B. Schmidt, C. Barbarino, C. Inserra, D. Reichart, F. Taddia, G. Pignata, J.R. Maund, J. Sollerman, L. Tomasella, M. Childress, M. Fraser, M.T. Botticella, O. Yaron, S.J. Smartt, S. Valenti

arxiv:1302.0170 v1 · 2013-02-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2AZDLPOFKWUALF4DZDZXDJPO4}

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	2026-05-18T01:51:51.416620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568191adee2aad402cbc1e479b8d2f771a26c03003919911ba01dcbb98a2bdb6

Aliases

arxiv: 1302.0170 · arxiv_version: 1302.0170v1 · doi: 10.48550/arxiv.1302.0170 · pith_short_12: K2AZDLPOFKWU · pith_short_16: K2AZDLPOFKWUALF4 · pith_short_8: K2AZDLPO

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/K2AZDLPOFKWUALF4DZDZXDJPO4 \
  | 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: 568191adee2aad402cbc1e479b8d2f771a26c03003919911ba01dcbb98a2bdb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "996d17c15b35fc871a68871c6f750c780f67072dcba3c477ba31399e240588be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-01T12:55:14Z",
    "title_canon_sha256": "6f0c9543effe707214acaa7faf15d0ef9ee72d70acfb1d87853303b9e814619d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0170",
    "kind": "arxiv",
    "version": 1
  }
}