Pith Number

pith:BUFKQ2KC

pith:2021:BUFKQ2KCAJRED2IQLWOECZ2Z7S

not attested not anchored not stored refs pending

Parameters of the type-IIP supernova SN 2012aw

A. A. Nikiforova, D. A. Blinov, D. A. Morozova, E. G. Larionova, E. N. Kopatskaya, I. S. Troitsky, P. V. Baklanov, S. I. Blinnikov, T. S. Grishina, Yu. V. Troitskaya

arxiv:2102.04388 v2 · 2021-02-08 · 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{BUFKQ2KCAJRED2IQLWOECZ2Z7S}

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	2026-07-05T02:35:35.873760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d0aa86942026241e9105d9c416759fc8d00497ebd39b46a78bac05289a09544

Aliases

arxiv: 2102.04388 · arxiv_version: 2102.04388v2 · doi: 10.48550/arxiv.2102.04388 · pith_short_12: BUFKQ2KCAJRE · pith_short_16: BUFKQ2KCAJRED2IQ · pith_short_8: BUFKQ2KC

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/BUFKQ2KCAJRED2IQLWOECZ2Z7S \
  | 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: 0d0aa86942026241e9105d9c416759fc8d00497ebd39b46a78bac05289a09544

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fab9b2d764c5a6d0abb23cf4c1410cbd630feb3b1bcb9f2ff20d3b8751c0522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-02-08T17:49:38Z",
    "title_canon_sha256": "2b0e9bc2ab2780feae40e4638d9cc7da02f678965ef002697a8242406a321d90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04388",
    "kind": "arxiv",
    "version": 2
  }
}