Pith Number

pith:J4TR2L2S

pith:2019:J4TR2L2SPT7ISK7TDSJERQOL56

not attested not anchored not stored refs pending

On the $ C^{8/3} $-Regularisation of Simultaneous Binary Collisions in the Collinear 4-Body Problem

Holger R. Dullin, Nathan Duignan

arxiv:1908.05576 v1 · 2019-08-15 · 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{J4TR2L2SPT7ISK7TDSJERQOL56}

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	2026-07-05T01:32:56.458134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f271d2f527cfe892bf31c9248c1cbefbb2ca4615b9111d364eac1d79148699b

Aliases

arxiv: 1908.05576 · arxiv_version: 1908.05576v1 · doi: 10.48550/arxiv.1908.05576 · pith_short_12: J4TR2L2SPT7I · pith_short_16: J4TR2L2SPT7ISK7T · pith_short_8: J4TR2L2S

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/J4TR2L2SPT7ISK7TDSJERQOL56 \
  | 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: 4f271d2f527cfe892bf31c9248c1cbefbb2ca4615b9111d364eac1d79148699b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be702a46a9c2be30b866e0358587aa0b46948bd432b7f220d60fa6a928b849f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-08-15T15:11:53Z",
    "title_canon_sha256": "ccbe55502f0b079529e6be07be8709bc78e362b8cbdc427fd092cbf0f434b2b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05576",
    "kind": "arxiv",
    "version": 1
  }
}