Pith Number

pith:GHDRSV2M

pith:2017:GHDRSV2MLZKQE4C6LIO35YRISF

not attested not anchored not stored refs pending

Riccati-Ermakov systems and explicit solutions for variable coefficient reaction-diffusion equations

E. Pereira, E. Suazo, J. Trespalacios

arxiv:1708.06388 v2 · 2017-08-21 · 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{GHDRSV2MLZKQE4C6LIO35YRISF}

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	2026-05-18T00:32:16.153184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31c719574c5e5502705e5a1dbee2289148eeb6c9d738afbd82adc001a73ad1ba

Aliases

arxiv: 1708.06388 · arxiv_version: 1708.06388v2 · doi: 10.48550/arxiv.1708.06388 · pith_short_12: GHDRSV2MLZKQ · pith_short_16: GHDRSV2MLZKQE4C6 · pith_short_8: GHDRSV2M

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/GHDRSV2MLZKQE4C6LIO35YRISF \
  | 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: 31c719574c5e5502705e5a1dbee2289148eeb6c9d738afbd82adc001a73ad1ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f26361edd9d6c6e18d490a5cfe0d701c3d871927b351aee8d254e2bdf7468a5",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-08-21T19:36:32Z",
    "title_canon_sha256": "202da887174826d0920c20e79ec8b7dd19cb0167b56b614a3f2470934f650f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06388",
    "kind": "arxiv",
    "version": 2
  }
}