Pith Number

pith:BPUVD62P

pith:2017:BPUVD62PB2SCPRUMT34OOOPQAH

not attested not anchored not stored refs pending

A phase-field approach for the interface reconstruction in a nonlinear elliptic problem arising from cardiac electrophysiology

Elena Beretta, Luca Ratti, Marco Verani

arxiv:1709.05646 v2 · 2017-09-17 · math.AP · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPUVD62PB2SCPRUMT34OOOPQAH}

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	2026-05-18T00:27:43.378059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be951fb4f0ea427c68c9ef8e739f001f2f4a1a038f24acb46ac77219347db96

Aliases

arxiv: 1709.05646 · arxiv_version: 1709.05646v2 · doi: 10.48550/arxiv.1709.05646 · pith_short_12: BPUVD62PB2SC · pith_short_16: BPUVD62PB2SCPRUM · pith_short_8: BPUVD62P

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/BPUVD62PB2SCPRUMT34OOOPQAH \
  | 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: 0be951fb4f0ea427c68c9ef8e739f001f2f4a1a038f24acb46ac77219347db96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b59d96ea2ca9ab21c73efc59b54cb7e2a33af47418de6227716e31dd1ff57ca",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-17T11:56:04Z",
    "title_canon_sha256": "bd07aada2962c1d2850dc79e7c2c05d3761b7a4a9d2ceadc71ffb582fdf3ee5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05646",
    "kind": "arxiv",
    "version": 2
  }
}