Pith Number

pith:532NLII2

pith:2015:532NLII2DD6S27QSYQYKPUD272

not attested not anchored not stored refs pending

LOSS's First Supernova? New Limits on the "Impostor" SN 1997bs

C.S. Kochanek, Scott M. Adams

arxiv:1502.00001 v3 · 2015-01-30 · astro-ph.SR · 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{532NLII2DD6S27QSYQYKPUD272}

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	2026-05-18T01:35:49.279857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eef4d5a11a18fd2d7e12c430a7d07afeaf83582656536354b6d5bee930241168

Aliases

arxiv: 1502.00001 · arxiv_version: 1502.00001v3 · doi: 10.48550/arxiv.1502.00001 · pith_short_12: 532NLII2DD6S · pith_short_16: 532NLII2DD6S27QS · pith_short_8: 532NLII2

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/532NLII2DD6S27QSYQYKPUD272 \
  | 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: eef4d5a11a18fd2d7e12c430a7d07afeaf83582656536354b6d5bee930241168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee14defe5c663677bd6877b02b53c9b69c9ca0be8ccd4a78560bef4539b02389",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-30T21:00:04Z",
    "title_canon_sha256": "624da2eaa3c1f2ea9b9a47700d9cc3d953056ba480fa50b02ae3b29776f0717a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00001",
    "kind": "arxiv",
    "version": 3
  }
}