Pith Number

pith:PRPYL36M

pith:2004:PRPYL36MAHMQZOSEGAGOFGWGPW

not attested not anchored not stored refs pending

SN2002kg -- the brightening of LBV V37 in NGC 2403

Dominik J. Bomans, Kerstin Weis

arxiv:astro-ph/0411504 v1 · 2004-11-17 · 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{PRPYL36MAHMQZOSEGAGOFGWGPW}

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	2026-07-04T16:45:14.849544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c5f85efcc01d90cba44300ce29ac67d8b5389321940c81adc94e2a9793c9d44

Aliases

arxiv: astro-ph/0411504 · arxiv_version: astro-ph/0411504v1 · doi: 10.48550/arxiv.astro-ph/0411504 · pith_short_12: PRPYL36MAHMQ · pith_short_16: PRPYL36MAHMQZOSE · pith_short_8: PRPYL36M

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/PRPYL36MAHMQZOSEGAGOFGWGPW \
  | 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: 7c5f85efcc01d90cba44300ce29ac67d8b5389321940c81adc94e2a9793c9d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0867d97311db6dd95669a897a45ed16b538678ffe20646e971eb3924334210cb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-17T17:00:47Z",
    "title_canon_sha256": "b063bae6fcbcc2bbf86b5a5561b2e5819e52d047c23b7d3b937859f3f768eb7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411504",
    "kind": "arxiv",
    "version": 1
  }
}