Pith Number

pith:XE6LUVMA

pith:2012:XE6LUVMA3B5EGSZZADFWLYH67A

not attested not anchored not stored refs pending

Locally controlled globally smooth ground surface reconstruction from terrestrial point clouds

Igor Rychkov

arxiv:1206.0513 v1 · 2012-06-04 · 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{XE6LUVMA3B5EGSZZADFWLYH67A}

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	2026-05-18T03:54:17.468886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93cba5580d87a434b3900cb65e0fef8386f4f161bd5d56207c253956b1fbcbe

Aliases

arxiv: 1206.0513 · arxiv_version: 1206.0513v1 · doi: 10.48550/arxiv.1206.0513 · pith_short_12: XE6LUVMA3B5E · pith_short_16: XE6LUVMA3B5EGSZZ · pith_short_8: XE6LUVMA

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/XE6LUVMA3B5EGSZZADFWLYH67A \
  | 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: b93cba5580d87a434b3900cb65e0fef8386f4f161bd5d56207c253956b1fbcbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aba9bed96a9ff15bd2b7b1a62e4de3aff958fedf901819a7c42b04882249bbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-06-04T03:50:19Z",
    "title_canon_sha256": "3b0b8a4a7f4b4adf011c88f46c735ab9c9977680052557ad0333720b3bc1040d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0513",
    "kind": "arxiv",
    "version": 1
  }
}