Pith Number

pith:4DJEN6RX

pith:2017:4DJEN6RXGLHBQ5S23RVXKEAZCL

not attested not anchored not stored refs pending

Algebraic entropy of (integrable) lattice equations and their reductions

Dinh T. Tran, John A. G. Roberts

arxiv:1703.01069 v1 · 2017-03-03 · 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{4DJEN6RXGLHBQ5S23RVXKEAZCL}

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	2026-05-18T00:49:36.142696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d246fa3732ce18765adc6b75101912de3e6e0eeed4092ec49c461bf78e8227

Aliases

arxiv: 1703.01069 · arxiv_version: 1703.01069v1 · doi: 10.48550/arxiv.1703.01069 · pith_short_12: 4DJEN6RXGLHB · pith_short_16: 4DJEN6RXGLHBQ5S2 · pith_short_8: 4DJEN6RX

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/4DJEN6RXGLHBQ5S23RVXKEAZCL \
  | 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: e0d246fa3732ce18765adc6b75101912de3e6e0eeed4092ec49c461bf78e8227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e1994d4dd8c80e97efee31214d9cc27975cd18baa66b820bb28462f6d5aa912",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-03-03T07:57:42Z",
    "title_canon_sha256": "aa34664f4d9b580326678d9557594d282c76c2b3860526b0b659f8b033be81cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01069",
    "kind": "arxiv",
    "version": 1
  }
}