Pith Number

pith:HBVPHHUU

pith:2019:HBVPHHUUQXBWDWRZSIKQ7I47AJ

not attested not anchored not stored refs pending

On the existence-uniqueness and computation of solution of a coupled PDE-ODE system with application to cardiac electric activity

B. V. Rathish Kumar, Meena Pargaei

arxiv:1901.07873 v1 · 2019-01-23 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBVPHHUUQXBWDWRZSIKQ7I47AJ}

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	2026-05-17T23:55:39.561978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386af39e9485c361da3992150fa39f0278abcc2bf03cf276216389dca25dfb48

Aliases

arxiv: 1901.07873 · arxiv_version: 1901.07873v1 · doi: 10.48550/arxiv.1901.07873 · pith_short_12: HBVPHHUUQXBW · pith_short_16: HBVPHHUUQXBWDWRZ · pith_short_8: HBVPHHUU

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/HBVPHHUUQXBWDWRZSIKQ7I47AJ \
  | 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: 386af39e9485c361da3992150fa39f0278abcc2bf03cf276216389dca25dfb48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0afdb40ef4f865d09e3b556da28c2d097c16a1b0491524ef6ec3d841389afb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-23T13:34:24Z",
    "title_canon_sha256": "02cc9a9c2d2738a9016bbc59754ba020529cf6836c4b8f5e1db650c07316c2e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07873",
    "kind": "arxiv",
    "version": 1
  }
}