Pith Number

pith:J7VYDWBC

pith:2014:J7VYDWBCBU6BDKDKV2REKEPO6Q

not attested not anchored not stored refs pending

A Hamiltonian system of three degrees of freedom with eight channels of escape: The Great Escape

Euaggelos E. Zotos

arxiv:1404.4285 v1 · 2014-04-15 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7VYDWBCBU6BDKDKV2REKEPO6Q}

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	2026-05-18T02:54:05.747709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4feb81d8220d3c11a86aaea24511eef43ea16d979c80b26d62d67f589fd18b09

Aliases

arxiv: 1404.4285 · arxiv_version: 1404.4285v1 · doi: 10.48550/arxiv.1404.4285 · pith_short_12: J7VYDWBCBU6B · pith_short_16: J7VYDWBCBU6BDKDK · pith_short_8: J7VYDWBC

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/J7VYDWBCBU6BDKDKV2REKEPO6Q \
  | 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: 4feb81d8220d3c11a86aaea24511eef43ea16d979c80b26d62d67f589fd18b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49fc9a9862bd273adcd16d07e46888818d2d243d663b0f024bf299924fb155ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2014-04-15T15:45:20Z",
    "title_canon_sha256": "7cf7395aca15c2e4dbc8b8362a4785b691e0217f6e976b68ce2eb1d3bf8ec89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4285",
    "kind": "arxiv",
    "version": 1
  }
}