Pith Number

pith:QGSGVDK4

pith:2004:QGSGVDK4IUXLX4CJV3SVFIIZK4

not attested not anchored not stored refs pending

Non-Fermi Power law Acceleration in Astrophysical Plasma Shocks

{\AA}. Nordlund, C. B. Hededal, J. Trier Frederiksen, T. Haugboelle

arxiv:astro-ph/0408558 v2 · 2004-08-31 · 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{QGSGVDK4IUXLX4CJV3SVFIIZK4}

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	2026-07-04T16:44:35.377194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a46a8d5c452ebbf049aee552a119571e3a6b023c0c14b62d344c85e20e5393

Aliases

arxiv: astro-ph/0408558 · arxiv_version: astro-ph/0408558v2 · doi: 10.48550/arxiv.astro-ph/0408558 · pith_short_12: QGSGVDK4IUXL · pith_short_16: QGSGVDK4IUXLX4CJ · pith_short_8: QGSGVDK4

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/QGSGVDK4IUXLX4CJV3SVFIIZK4 \
  | 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: 81a46a8d5c452ebbf049aee552a119571e3a6b023c0c14b62d344c85e20e5393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd98635d4ce143f58cba6e73d4f85d4c3fb71a4a9a542b14c3791e5a18a7d8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-31T11:33:51Z",
    "title_canon_sha256": "8a52c6a528d97f8c5554858e1a7d22d3dff3ee439e70d4afba282f0242aa7fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408558",
    "kind": "arxiv",
    "version": 2
  }
}