Pith Number

pith:T5HHTZZV

pith:2013:T5HHTZZVEWY27RK5NXHR5ADBBM

not attested not anchored not stored refs pending

On the computation of the third order terms of the series defining the center manifold for systems of delay differential equation

Anca Veronica Ion

arxiv:1311.5749 v2 · 2013-11-22 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5HHTZZVEWY27RK5NXHR5ADBBM}

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	2026-05-18T03:05:09.506683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f4e79e73525b1afc55d6dcf1e80610b2984458892c22215b3fd3b4304184dd0

Aliases

arxiv: 1311.5749 · arxiv_version: 1311.5749v2 · doi: 10.48550/arxiv.1311.5749 · pith_short_12: T5HHTZZVEWY2 · pith_short_16: T5HHTZZVEWY27RK5 · pith_short_8: T5HHTZZV

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/T5HHTZZVEWY27RK5NXHR5ADBBM \
  | 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: 9f4e79e73525b1afc55d6dcf1e80610b2984458892c22215b3fd3b4304184dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4faa3c7c89397d07b5c06c8482ca55fe357bb13e9f0710abe944fc9b44bfff5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-11-22T13:45:54Z",
    "title_canon_sha256": "c91ab47a21369983254e71cd36f3fa07cf1066dbb368f160c335d3ae8d09c89c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5749",
    "kind": "arxiv",
    "version": 2
  }
}