Pith Number

pith:FSZGU3DL

pith:2011:FSZGU3DLW3WVDABA3WL6AQHNT2

not attested not anchored not stored refs pending

Analysis of a method to parameterize planar curves immersed in triangulations

Adrian J. Lew, Ramsharan Rangarajan

arxiv:1109.5890 v2 · 2011-09-16 · math.NA · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSZGU3DLW3WVDABA3WL6AQHNT2}

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	2026-05-18T03:33:26.545035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb26a6c6bb6ed518020dd97e040ed9e9f7c98ac50cd34d897cedba6233976de

Aliases

arxiv: 1109.5890 · arxiv_version: 1109.5890v2 · doi: 10.48550/arxiv.1109.5890 · pith_short_12: FSZGU3DLW3WV · pith_short_16: FSZGU3DLW3WVDABA · pith_short_8: FSZGU3DL

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/FSZGU3DLW3WVDABA3WL6AQHNT2 \
  | 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: 2cb26a6c6bb6ed518020dd97e040ed9e9f7c98ac50cd34d897cedba6233976de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43dae8b4e73da36c968a85ae6b3d4eace1289794c730ffb426935502c00aff66",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-09-16T19:27:39Z",
    "title_canon_sha256": "91d712e3168b8a8225f8128224c73482444a1f3bdb441e06b97cd45029633a6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5890",
    "kind": "arxiv",
    "version": 2
  }
}