Pith Number

pith:ENGFEFQB

pith:2014:ENGFEFQBASK5V5JLJGORR56TQB

not attested not anchored not stored refs pending

Order preserving contact transformations and dynamical symmetries of scalar and coupled Riccati and Abel chains

M. Lakshmanan, M. Senthilvelan, R. Gladwin Pradeep, R. Mohanasubha, V. K. Chandrasekar

arxiv:1410.4704 v2 · 2014-10-17 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENGFEFQBASK5V5JLJGORR56TQB}

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	2026-05-18T01:28:34.735766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234c5216010495daf52b499d18f7d3804264e64289339a380397089488c5465d

Aliases

arxiv: 1410.4704 · arxiv_version: 1410.4704v2 · doi: 10.48550/arxiv.1410.4704 · pith_short_12: ENGFEFQBASK5 · pith_short_16: ENGFEFQBASK5V5JL · pith_short_8: ENGFEFQB

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/ENGFEFQBASK5V5JLJGORR56TQB \
  | 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: 234c5216010495daf52b499d18f7d3804264e64289339a380397089488c5465d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d14f3ba21a7575f0c76ab6d3af6c7f2a56473b1f34fae2390a3450acce53b6d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-10-17T12:47:17Z",
    "title_canon_sha256": "26b5d239be169fefb65bf4f3042e6e0f347a69b87e9f83f715d9a25aa0625afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4704",
    "kind": "arxiv",
    "version": 2
  }
}