Pith Number

pith:UKUH2DLW

pith:2011:UKUH2DLWLMKAFB4CRAXDQLCHHT

not attested not anchored not stored refs pending

Two dimensional dynamical systems which admit Lie and Noether symmetries

Andronikos Paliathanasis, Michael Tsamparlis

arxiv:1101.5771 v2 · 2011-01-30 · math-ph · gr-qc · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKUH2DLWLMKAFB4CRAXDQLCHHT}

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	2026-05-18T04:25:10.888730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a87d0d765b14028782882e382c473cecf38256e9cbfebc71b3b3a02c7048cb

Aliases

arxiv: 1101.5771 · arxiv_version: 1101.5771v2 · doi: 10.48550/arxiv.1101.5771 · pith_short_12: UKUH2DLWLMKA · pith_short_16: UKUH2DLWLMKAFB4C · pith_short_8: UKUH2DLW

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/UKUH2DLWLMKAFB4CRAXDQLCHHT \
  | 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: a2a87d0d765b14028782882e382c473cecf38256e9cbfebc71b3b3a02c7048cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc7cb48ed6e08c8a1b9dd37dee5cd7cc6d921b4fd762c90453a840434a9e298d",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-01-30T13:50:45Z",
    "title_canon_sha256": "eb981edce2cea39ee64eccae64f900d0e54b3f2f07f8ecf88aaa6b6e73df9b58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5771",
    "kind": "arxiv",
    "version": 2
  }
}