Pith Number

pith:NPWN6BUR

pith:2007:NPWN6BURSPIJAW2L7X33HNAUJG

not attested not anchored not stored refs pending

Cosmic rays from trans-relativistic supernovae

A. MacFadyen, B. Katz, E. Waxman, R. Budnik

arxiv:0705.0041 v2 · 2007-05-01 · 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{NPWN6BURSPIJAW2L7X33HNAUJG}

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	2026-05-18T04:36:42.326538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6becdf069193d0905b4bfdf7b3b41449a1be69315de6393d88e9b719a814957c

Aliases

arxiv: 0705.0041 · arxiv_version: 0705.0041v2 · doi: 10.48550/arxiv.0705.0041 · pith_short_12: NPWN6BURSPIJ · pith_short_16: NPWN6BURSPIJAW2L · pith_short_8: NPWN6BUR

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/NPWN6BURSPIJAW2L7X33HNAUJG \
  | 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: 6becdf069193d0905b4bfdf7b3b41449a1be69315de6393d88e9b719a814957c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c21c4a6c4775c6aa3a17b6580fa8612290b7d34c290be43ca20ae842c9b11f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-01T03:16:13Z",
    "title_canon_sha256": "ddd33b9079fb6fa2f177659b1ffd399db9c7917ea14f1883111977e0bdf28c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0041",
    "kind": "arxiv",
    "version": 2
  }
}