Pith Number

pith:MVCLGGR2

pith:2014:MVCLGGR2LFZKG4NVA7IZA7NKKF

not attested not anchored not stored refs pending

Approximate Symmetry Analysis of a Class of Perturbed Nonlinear Reaction-Diffusion Equations

Abolhassan Mahdavi, Mehdi Nadjafikhah

arxiv:1405.3209 v1 · 2014-05-11 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVCLGGR2LFZKG4NVA7IZA7NKKF}

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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	2026-05-18T02:46:05.941128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6544b31a3a5972a371b507d1907daa516b2f408770fe53c41714d95e8d9ab545

Aliases

arxiv: 1405.3209 · arxiv_version: 1405.3209v1 · doi: 10.48550/arxiv.1405.3209 · pith_short_12: MVCLGGR2LFZK · pith_short_16: MVCLGGR2LFZKG4NV · pith_short_8: MVCLGGR2

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/MVCLGGR2LFZKG4NVA7IZA7NKKF \
  | 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: 6544b31a3a5972a371b507d1907daa516b2f408770fe53c41714d95e8d9ab545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38aac2bfa6851607387fdeb7b2342d19a787e403b82c711f9c4ef592e4100d63",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-05-11T13:32:30Z",
    "title_canon_sha256": "62b640842b06697a1c08eb6fa9e2969713490bf758817354db121ae4c3dee834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3209",
    "kind": "arxiv",
    "version": 1
  }
}