Pith Number

pith:2I4SHZHX

pith:2013:2I4SHZHX6LGVRKVWPMD3L5DEJS

not attested not anchored not stored refs pending

Billiard dynamics of bouncing dumbbell

K. Kim, V. Blumen, V. Zharnitsky, Y. Baryshnikov

arxiv:1306.5201 v1 · 2013-06-21 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2I4SHZHX6LGVRKVWPMD3L5DEJS}

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	2026-05-18T01:49:13.898449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d23923e4f7f2cd58aab67b07b5f4644c813b3414e9c939221db9e4474027db6c

Aliases

arxiv: 1306.5201 · arxiv_version: 1306.5201v1 · doi: 10.48550/arxiv.1306.5201 · pith_short_12: 2I4SHZHX6LGV · pith_short_16: 2I4SHZHX6LGVRKVW · pith_short_8: 2I4SHZHX

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/2I4SHZHX6LGVRKVWPMD3L5DEJS \
  | 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: d23923e4f7f2cd58aab67b07b5f4644c813b3414e9c939221db9e4474027db6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4a5bb9a97a21e8e8b50499857088cf3834cd9fd8a7bb5012c1d3a24fe01f071",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-06-21T17:39:11Z",
    "title_canon_sha256": "432138c73a9c092cf268844945b68d0275cc28c3f5f1adbf5339af7e129cec74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5201",
    "kind": "arxiv",
    "version": 1
  }
}