Pith Number

pith:YBC2J662

pith:2011:YBC2J6623MQ2IIUNP666M7S5S4

not attested not anchored not stored refs pending

Transition from regular to chaotic motion in black hole magnetospheres

Ond\v{r}ej Kop\'a\v{c}ek

arxiv:1110.4553 v1 · 2011-10-20 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBC2J6623MQ2IIUNP666M7S5S4}

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	2026-05-18T04:10:36.510620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c045a4fbdadb21a4228d7fbde67e5d9723b1be2356bf6d5ce3d36d45cc3246d7

Aliases

arxiv: 1110.4553 · arxiv_version: 1110.4553v1 · doi: 10.48550/arxiv.1110.4553 · pith_short_12: YBC2J6623MQ2 · pith_short_16: YBC2J6623MQ2IIUN · pith_short_8: YBC2J662

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/YBC2J6623MQ2IIUNP666M7S5S4 \
  | 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: c045a4fbdadb21a4228d7fbde67e5d9723b1be2356bf6d5ce3d36d45cc3246d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2800f2235b3a3b72c200d34aa588b7d92ffe6f20ff4f4c1914401350f37509a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-20T15:30:02Z",
    "title_canon_sha256": "bf1d917d51c5d125665388fbf75fb46af7864fd15fde1f0544edb2b983a75220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4553",
    "kind": "arxiv",
    "version": 1
  }
}