Pith Number

pith:HRV5YLNY

pith:2013:HRV5YLNYYFDXPPYEZYYULYWJLJ

not attested not anchored not stored refs pending

On the well posed solutions for nonlinear second order neutral difference equations

Ewa Schmeidel, Marek Galewski

arxiv:1307.1403 v3 · 2013-07-04 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRV5YLNYYFDXPPYEZYYULYWJLJ}

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	2026-05-18T02:51:34.178503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6bdc2db8c14777bf04ce3145e2c95a562cd647bc5ad3d28ac532c224afad3b

Aliases

arxiv: 1307.1403 · arxiv_version: 1307.1403v3 · doi: 10.48550/arxiv.1307.1403 · pith_short_12: HRV5YLNYYFDX · pith_short_16: HRV5YLNYYFDXPPYE · pith_short_8: HRV5YLNY

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/HRV5YLNYYFDXPPYEZYYULYWJLJ \
  | 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: 3c6bdc2db8c14777bf04ce3145e2c95a562cd647bc5ad3d28ac532c224afad3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4739fa7524e625f3c1428d2af175f81889154d213995eb1679bf36263dfa1ecb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-07-04T16:48:03Z",
    "title_canon_sha256": "69373fffda8f50bee90e7d18636b6621d47941acb5c2475505f412ae2e76d183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1403",
    "kind": "arxiv",
    "version": 3
  }
}