Pith Number

pith:F3QIGMGU

pith:2011:F3QIGMGUSXXIDUZCL2K3LW5DQE

not attested not anchored not stored refs pending

A new variational principle for the Euclidean distance function: Linear approach to the non-linear eikonal problem

Anand Rangarajan, Karthik S. Gurumoorthy

arxiv:1112.3010 v4 · 2011-12-13 · cs.CV · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3QIGMGUSXXIDUZCL2K3LW5DQE}

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	2026-05-18T02:27:49.833785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee08330d495ee81d3225e95b5dba38105cafdd9425c6b9484a1e5aa1e868179

Aliases

arxiv: 1112.3010 · arxiv_version: 1112.3010v4 · doi: 10.48550/arxiv.1112.3010 · pith_short_12: F3QIGMGUSXXI · pith_short_16: F3QIGMGUSXXIDUZC · pith_short_8: F3QIGMGU

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/F3QIGMGUSXXIDUZCL2K3LW5DQE \
  | 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: 2ee08330d495ee81d3225e95b5dba38105cafdd9425c6b9484a1e5aa1e868179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423c060328528fcad20491c74d3b9627a141f26486754f65711680abb5912600",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-12-13T20:03:33Z",
    "title_canon_sha256": "27b45aebb326458cce020365dfab0897db2d9f2c62f8031e499b827d175addb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3010",
    "kind": "arxiv",
    "version": 4
  }
}