Pith Number

pith:OY55FZ7N

pith:2011:OY55FZ7NCEGR53ZFNOYJNBPZSA

not attested not anchored not stored refs pending

On the computation of the term $w_{21}z^2\bar{z}$ of the series defining the center manifold for a scalar delay differential equation

Anca-Veronica Ion ("Gh. Mihoc - C. Iacob" Institute of Mathematical Statistics, Applied Mathematics, Bucharest, Romania)

arxiv:1110.4090 v2 · 2011-10-18 · math.DS

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OY55FZ7NCEGR53ZFNOYJNBPZSA}

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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	2026-05-18T02:00:09.074542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

763bd2e7ed110d1eef256bb09685f99011ee110c72cdcbabcf619dd04a867227

Aliases

arxiv: 1110.4090 · arxiv_version: 1110.4090v2 · doi: 10.48550/arxiv.1110.4090 · pith_short_12: OY55FZ7NCEGR · pith_short_16: OY55FZ7NCEGR53ZF · pith_short_8: OY55FZ7N

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/OY55FZ7NCEGR53ZFNOYJNBPZSA \
  | 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: 763bd2e7ed110d1eef256bb09685f99011ee110c72cdcbabcf619dd04a867227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab862367e847a1836b3c2cea5b5dbd10b4137e97e172ac31bbdd43ebe74fa4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-10-18T19:09:37Z",
    "title_canon_sha256": "c8ec48c830b4ae14f99bb18ba211b8bf550817c4ab9f3af0faee77d1ae795b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4090",
    "kind": "arxiv",
    "version": 2
  }
}