Pith Number

pith:D6HF2BCV

pith:2021:D6HF2BCVQ66RNX4EIS3HF5JCAG

not attested not anchored not stored refs pending

Refraction Periodic Trajectories in Central Mass Galaxies

Irene De Blasi, Susanna Terracini

arxiv:2105.02108 v1 · 2021-05-05 · 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{D6HF2BCVQ66RNX4EIS3HF5JCAG}

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.

Cited by

1 paper in Pith

From bungee to $C^1$ and $C^0$ Hamiltonian systems and their integrability and nonintegrability

Receipt and verification

First computed	2026-07-05T02:37:52.734561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f8e5d045587bd16df8444b672f522019b7d620d0bcdb611a2c810d2ea9417fa

Aliases

arxiv: 2105.02108 · arxiv_version: 2105.02108v1 · doi: 10.48550/arxiv.2105.02108 · pith_short_12: D6HF2BCVQ66R · pith_short_16: D6HF2BCVQ66RNX4E · pith_short_8: D6HF2BCV

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/D6HF2BCVQ66RNX4EIS3HF5JCAG \
  | 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: 1f8e5d045587bd16df8444b672f522019b7d620d0bcdb611a2c810d2ea9417fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa09e767a9bf76f8a322fff1a488671feeed768107377c2976ec5ee4b0f8833",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2021-05-05T15:19:53Z",
    "title_canon_sha256": "d8f09e9e0be76fc0fe456f83156efa85da5f65b98bf4591dcb0f0d021c424343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02108",
    "kind": "arxiv",
    "version": 1
  }
}