Pith Number

pith:Q2N6BJKD

pith:2008:Q2N6BJKDCOIURQ3DCQXC5VDOKK

not attested not anchored not stored refs pending

Chaotic motion of Charged Particles in an Electromagnetic Field Surrounding a Rotating Black Hole

Hiroko Koyama, Masaaki Takahashi

arxiv:0807.0277 v1 · 2008-07-02 · 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{Q2N6BJKDCOIURQ3DCQXC5VDOKK}

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	2026-05-18T04:29:33.341607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869be0a543139148c363142e2ed46e52ba3d527ebe5bee875eadb30da53dcfe3

Aliases

arxiv: 0807.0277 · arxiv_version: 0807.0277v1 · doi: 10.48550/arxiv.0807.0277 · pith_short_12: Q2N6BJKDCOIU · pith_short_16: Q2N6BJKDCOIURQ3D · pith_short_8: Q2N6BJKD

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/Q2N6BJKDCOIURQ3DCQXC5VDOKK \
  | 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: 869be0a543139148c363142e2ed46e52ba3d527ebe5bee875eadb30da53dcfe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a115a5e70a969bbe436904947ae60d719fde6e24e01556a0da9b78f6e3948b30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-02T06:23:14Z",
    "title_canon_sha256": "6cf1c0556845c7c34b07e15a44c38ef8074d3e03fe7fb2a1fcd7bae5c84beefa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0277",
    "kind": "arxiv",
    "version": 1
  }
}