Pith Number

pith:4W3MAIRG

pith:2019:4W3MAIRGFHIIU4N5JP4KS4R6Y6

not attested not anchored not stored refs pending

Stabilized subgrid multiscale finite element formulation for advection-diffusion-reaction equation with variable coefficients coupled with Stokes-Darcy equation

B.V.Rathish Kumar, Manisha Chowdhury

arxiv:1907.09752 v1 · 2019-07-23 · 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{4W3MAIRGFHIIU4N5JP4KS4R6Y6}

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	2026-05-17T23:39:50.167723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b6c0222629d08a71bd4bf8a9723ec7ac8a57e191e75c6cfb8c3fca52a3c726

Aliases

arxiv: 1907.09752 · arxiv_version: 1907.09752v1 · doi: 10.48550/arxiv.1907.09752 · pith_short_12: 4W3MAIRGFHII · pith_short_16: 4W3MAIRGFHIIU4N5 · pith_short_8: 4W3MAIRG

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/4W3MAIRGFHIIU4N5JP4KS4R6Y6 \
  | 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: e5b6c0222629d08a71bd4bf8a9723ec7ac8a57e191e75c6cfb8c3fca52a3c726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ced150d8aa79bd0cd2264a51cf61299475540b0c00501b0b3941866f5e6265",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-23T08:30:46Z",
    "title_canon_sha256": "7b0d73346e361cf9acb381c1ed577ba12cafa89b3e3c6c5cb93da1d51678c553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09752",
    "kind": "arxiv",
    "version": 1
  }
}