Pith Number

pith:6MKP7HNM

pith:2019:6MKP7HNMS2FWIQRQOYNVRRS527

not attested not anchored not stored refs pending

Ranking Viscous Finger Simulations to an Acquired Ground Truth with Topology-aware Matchings

Bruno Conche, Gilles Darche, Julien Tierny, Martin Petitfrere, Maxime Soler, Melanie Plainchault

arxiv:1908.07841 v1 · 2019-08-20 · physics.geo-ph · cs.CG · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MKP7HNMS2FWIQRQOYNVRRS527}

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	2026-07-04T23:59:01.635278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f314ff9dac968b644230761b58c65dd7eca5b5359c4f423af5c9bac5802e181b

Aliases

arxiv: 1908.07841 · arxiv_version: 1908.07841v1 · doi: 10.48550/arxiv.1908.07841 · pith_short_12: 6MKP7HNMS2FW · pith_short_16: 6MKP7HNMS2FWIQRQ · pith_short_8: 6MKP7HNM

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/6MKP7HNMS2FWIQRQOYNVRRS527 \
  | 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: f314ff9dac968b644230761b58c65dd7eca5b5359c4f423af5c9bac5802e181b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdcf9d31f9828ea1d5b677614f61b880a872c9f8fa4b8c7c7a883147274671b7",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-08-20T05:37:59Z",
    "title_canon_sha256": "77070761f8fc853ad4ee7e43bc7b0d45a28e97ba8bcb0e55763fae790e8a9d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07841",
    "kind": "arxiv",
    "version": 1
  }
}