Pith Number

pith:QRK7COAU

pith:2026:QRK7COAU2EEJVTNRSK2OHYOEOO

not attested not anchored not stored refs pending

Structure-preserving discretization and fingering dynamics of a Cahn-Hilliard model for traction-driven digit morphogenesis

Marvin Fritz

arxiv:2606.12574 v1 · 2026-06-10 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRK7COAU2EEJVTNRSK2OHYOEOO}

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	2026-06-12T00:07:55.243731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8455f13814d1089acdb192b4e3e1c47380815b6157ea9a57cb51a91224ce7ed1

Aliases

arxiv: 2606.12574 · arxiv_version: 2606.12574v1 · doi: 10.48550/arxiv.2606.12574 · pith_short_12: QRK7COAU2EEJ · pith_short_16: QRK7COAU2EEJVTNR · pith_short_8: QRK7COAU

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/QRK7COAU2EEJVTNRSK2OHYOEOO \
  | 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: 8455f13814d1089acdb192b4e3e1c47380815b6157ea9a57cb51a91224ce7ed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecd4bbf93653f5f9062f66d6ecf7eb8c1e2668e8b7b94e8e887792227e3ecd6c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-10T18:23:18Z",
    "title_canon_sha256": "0bdccc2487f77493dd09346017f627de7e2775bce810d86b3725d8957b6892b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12574",
    "kind": "arxiv",
    "version": 1
  }
}