Pith Number

pith:47LUAQLN

pith:2019:47LUAQLNLUDFT6RPMI6GNR73WP

not attested not anchored not stored refs pending

Combined State and Parameter Estimation in Level-Set Methods

Hans Yu, Luca Magri, Matthew P. Juniper

arxiv:1903.00321 v2 · 2019-03-01 · physics.comp-ph · cs.LG · physics.data-an · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47LUAQLNLUDFT6RPMI6GNR73WP}

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	2026-07-05T00:05:34.071986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d740416d5d0659fa2f623c66c7fbb3c080b4d61b2733a8b959a8ea206f0a8e

Aliases

arxiv: 1903.00321 · arxiv_version: 1903.00321v2 · doi: 10.48550/arxiv.1903.00321 · pith_short_12: 47LUAQLNLUDF · pith_short_16: 47LUAQLNLUDFT6RP · pith_short_8: 47LUAQLN

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/47LUAQLNLUDFT6RPMI6GNR73WP \
  | 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: e7d740416d5d0659fa2f623c66c7fbb3c080b4d61b2733a8b959a8ea206f0a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8600b12edf2f98df076415110f1094064864a841ac02c70309d6ec87836c3599",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.data-an",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-03-01T14:39:11Z",
    "title_canon_sha256": "d8458eafa51607c36d2fc8b62700a11a304f4e7d2ca868227be86542c51d01ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00321",
    "kind": "arxiv",
    "version": 2
  }
}