Pith Number

pith:ILIOW2F6

pith:2019:ILIOW2F6EUDQGTOLFB5ML5SQTU

not attested not anchored not stored refs pending

Landau: language for dynamical systems with automatic differentiation

Dmitry Pavlov, Ivan Dolgakov

arxiv:1905.10206 v1 · 2019-05-24 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILIOW2F6EUDQGTOLFB5ML5SQTU}

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	2026-05-17T23:45:10.965833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d0eb68be2507034dcb287ac5f6509d253171b617397c522f6d0aa9d5019ccb

Aliases

arxiv: 1905.10206 · arxiv_version: 1905.10206v1 · doi: 10.48550/arxiv.1905.10206 · pith_short_12: ILIOW2F6EUDQ · pith_short_16: ILIOW2F6EUDQGTOL · pith_short_8: ILIOW2F6

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/ILIOW2F6EUDQGTOLFB5ML5SQTU \
  | 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: 42d0eb68be2507034dcb287ac5f6509d253171b617397c522f6d0aa9d5019ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9c48bf5c0b3cf4834afb9063ee0ba31abe2d287f1ae5bd697582a3a15011f36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2019-05-24T12:52:05Z",
    "title_canon_sha256": "4e741e992f286eb316f3947c0be50dbbdbc771948f97809ec7826bfdc96108ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10206",
    "kind": "arxiv",
    "version": 1
  }
}