Pith Number

pith:LFBEQVGR

pith:2009:LFBEQVGRDBBME3V5AVRYLNPDWA

not attested not anchored not stored refs pending

The role of magnetic fields for planetary formation

Anders Johansen

arxiv:0905.2597 v1 · 2009-05-15 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFBEQVGRDBBME3V5AVRYLNPDWA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:39.177025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59424854d11842c26ebd056385b5e3b0026d3b1b529ac8eaa027ea675ca3fb86

Aliases

arxiv: 0905.2597 · arxiv_version: 0905.2597v1 · doi: 10.48550/arxiv.0905.2597 · pith_short_12: LFBEQVGRDBBM · pith_short_16: LFBEQVGRDBBME3V5 · pith_short_8: LFBEQVGR

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/LFBEQVGRDBBME3V5AVRYLNPDWA \
  | 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: 59424854d11842c26ebd056385b5e3b0026d3b1b529ac8eaa027ea675ca3fb86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893a571ed68b9d5b0af0aef5eaddee2b2798ad09fd4c1a5936a550db6722903e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-05-15T18:16:39Z",
    "title_canon_sha256": "d8e001584f8c412d484ad09462a5e78f1506fe318908b3023eaded350c09bc71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2597",
    "kind": "arxiv",
    "version": 1
  }
}