Pith Number

pith:AG7WNT7M

pith:2016:AG7WNT7MIRHHD5TD2O2OEVF4FU

not attested not anchored not stored refs pending

Approximation of Lyapunov Functions from Noisy Data

Boumediene Hamzi, Kevin N. Webster, Martin Rasmussen, Peter Giesl

arxiv:1601.01568 v1 · 2016-01-07 · 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{AG7WNT7MIRHHD5TD2O2OEVF4FU}

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	2026-05-18T01:23:13.307098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01bf66cfec444e71f663d3b4e254bc2d283b2c7d8cbc39f699027d7861f12af1

Aliases

arxiv: 1601.01568 · arxiv_version: 1601.01568v1 · doi: 10.48550/arxiv.1601.01568 · pith_short_12: AG7WNT7MIRHH · pith_short_16: AG7WNT7MIRHHD5TD · pith_short_8: AG7WNT7M

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/AG7WNT7MIRHHD5TD2O2OEVF4FU \
  | 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: 01bf66cfec444e71f663d3b4e254bc2d283b2c7d8cbc39f699027d7861f12af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3305a4172c2056baf5905a53b014899088a4f83a3a3512af680eee5bd895e4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-01-07T15:38:26Z",
    "title_canon_sha256": "4584aea60ec67f6ef3830420e98108537d5bf5da50f724fbdef6b18e89814507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01568",
    "kind": "arxiv",
    "version": 1
  }
}