Pith Number

pith:F2KU7CHC

pith:2026:F2KU7CHCJ3BEFKHEZBH7FD5N5F

not attested not anchored not stored refs pending

Ermakov-Painleve' II Symmetry Reduction of a Class of Moving Boundary Problems for a Reciprocal Extended mKdV Equation

Colin Rogers, Sandra Carillo

arxiv:2608.00681 v1 · 2026-08-01 · nlin.SI · 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{F2KU7CHCJ3BEFKHEZBH7FD5N5F}

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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	2026-08-04T00:39:35.515781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e954f88e24ec242a8e4c84ff28fade94d0281b6f8c3f0b5b02d9184f359f913

Aliases

arxiv: 2608.00681 · arxiv_version: 2608.00681v1 · doi: 10.48550/arxiv.2608.00681 · pith_short_12: F2KU7CHCJ3BE · pith_short_16: F2KU7CHCJ3BEFKHE · pith_short_8: F2KU7CHC

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/F2KU7CHCJ3BEFKHEZBH7FD5N5F \
  | 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: 2e954f88e24ec242a8e4c84ff28fade94d0281b6f8c3f0b5b02d9184f359f913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7473111b409a5b416994649e73d53464f168a4f8cfc7a1da77762d80e0674ffb",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2026-08-01T14:04:22Z",
    "title_canon_sha256": "48215848ef79586b8062851c0f5580ff52894d083badba8e0bfecbabcea963ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00681",
    "kind": "arxiv",
    "version": 1
  }
}