Pith Number

pith:K2RRME5J

pith:2021:K2RRME5JCQZIK3762HWQAVSK7F

not attested not anchored not stored refs pending

Learning atrial fiber orientations and conductivity tensors from intracardiac maps using physics-informed neural networks

Francisco Sahli Costabal, Gernot Plank, Paris Perdikaris, Rolf Krause, Simone Pezzuto, Thomas Grandits, Thomas Pock

arxiv:2102.10863 v2 · 2021-02-22 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2RRME5JCQZIK3762HWQAVSK7F}

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	2026-07-05T02:37:57.949119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a31613a91432856ffed1ed00564af94f6d8ff65939344b0ffd49b6dd55a1f6

Aliases

arxiv: 2102.10863 · arxiv_version: 2102.10863v2 · doi: 10.48550/arxiv.2102.10863 · pith_short_12: K2RRME5JCQZI · pith_short_16: K2RRME5JCQZIK376 · pith_short_8: K2RRME5J

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/K2RRME5JCQZIK3762HWQAVSK7F \
  | 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: 56a31613a91432856ffed1ed00564af94f6d8ff65939344b0ffd49b6dd55a1f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "332c64f123f75f2ddf61b0edf933c91848c0ce219e1a3e84ee2ae71aeed82ec1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-22T09:55:17Z",
    "title_canon_sha256": "299748b9230e25f56462209f127bc2e6fdd49716237447186f3c771b29dd2a73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10863",
    "kind": "arxiv",
    "version": 2
  }
}