Pith Number

pith:SUQ45CJV

pith:2014:SUQ45CJVDG5Z3AAXK6KZFMLVCP

not attested not anchored not stored refs pending

Estimates of the distance to the exact solution of evolutionary reaction-diffusion problems based on local Poincare type inequalities

Sergey Repin, Svetlana Matculevich

arxiv:1407.6875 v2 · 2014-07-25 · math.NA · 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{SUQ45CJVDG5Z3AAXK6KZFMLVCP}

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	2026-05-18T02:42:27.911450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9521ce893519bb9d8017579592b17513d1b0643e9b2f20b4deca4a0a5d761d6a

Aliases

arxiv: 1407.6875 · arxiv_version: 1407.6875v2 · doi: 10.48550/arxiv.1407.6875 · pith_short_12: SUQ45CJVDG5Z · pith_short_16: SUQ45CJVDG5Z3AAX · pith_short_8: SUQ45CJV

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/SUQ45CJVDG5Z3AAXK6KZFMLVCP \
  | 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: 9521ce893519bb9d8017579592b17513d1b0643e9b2f20b4deca4a0a5d761d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a9056dea12adcb3ba63d7df0598d2df3ee429a878987643abda3cbf257ec1e2",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-25T12:52:20Z",
    "title_canon_sha256": "00364741843233ae7582501739340c9700a04d2ab0da147a64902f3b5a10ddc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6875",
    "kind": "arxiv",
    "version": 2
  }
}