Pith Number

pith:BA3UPTB3

pith:2019:BA3UPTB3KZP73MA7RRH4RNDN46

not attested not anchored not stored refs pending

Symmetry reduction of the three-body problem based on Euler angles

Michele Castellana

arxiv:1907.04785 v2 · 2019-05-27 · physics.class-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{BA3UPTB3KZP73MA7RRH4RNDN46}

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	2026-05-17T23:40:38.512812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083747cc3b565ffdb01f8c4fc8b46de78dea9588ba6ee95d2fcb55810d2d2abe

Aliases

arxiv: 1907.04785 · arxiv_version: 1907.04785v2 · doi: 10.48550/arxiv.1907.04785 · pith_short_12: BA3UPTB3KZP7 · pith_short_16: BA3UPTB3KZP73MA7 · pith_short_8: BA3UPTB3

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/BA3UPTB3KZP73MA7RRH4RNDN46 \
  | 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: 083747cc3b565ffdb01f8c4fc8b46de78dea9588ba6ee95d2fcb55810d2d2abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f383ae24c04bec7a8414cd6523c3d378b78911bd2c6b777cf84290ec75ba862d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-05-27T14:38:11Z",
    "title_canon_sha256": "0452a2862b60c11df63e3479a8de6860302005920c364ed84964bd42e881e304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04785",
    "kind": "arxiv",
    "version": 2
  }
}