Pith Number

pith:N7TT3CPH

pith:2004:N7TT3CPHINYFECFRGFMMJVBMQ6

not attested not anchored not stored refs pending

Modeling the Radio and X-ray Emission of SN 1993J and SN 2002ap

Claes Fransson, Claes-Ingvar Bjornsson

arxiv:astro-ph/0404267 v1 · 2004-04-14 · 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{N7TT3CPHINYFECFRGFMMJVBMQ6}

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	2026-05-18T01:40:37.164540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fe73d89e743705208b13158c4d42c87ab3fe4f099c9f138a0f1ca652dac0344

Aliases

arxiv: astro-ph/0404267 · arxiv_version: astro-ph/0404267v1 · doi: 10.48550/arxiv.astro-ph/0404267 · pith_short_12: N7TT3CPHINYF · pith_short_16: N7TT3CPHINYFECFR · pith_short_8: N7TT3CPH

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/N7TT3CPHINYFECFRGFMMJVBMQ6 \
  | 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: 6fe73d89e743705208b13158c4d42c87ab3fe4f099c9f138a0f1ca652dac0344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ad2c4cb4c3ebb6a9e4198898a702faa2858ede7e4f72411b554f2b3072e014",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-14T11:08:11Z",
    "title_canon_sha256": "acbe8b87ca745a52ba63a01c86b67e1514912c5636478221c30acd6d04575a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404267",
    "kind": "arxiv",
    "version": 1
  }
}