Pith Number

pith:CGG4S364

pith:2018:CGG4S364KK7NULIIBLO62BMYYB

not attested not anchored not stored refs pending

Approximation of trees by self-nested trees

Christophe Godin, Jean-Baptiste Durand, Romain Aza\"is

arxiv:1810.10860 v1 · 2018-10-25 · cs.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{CGG4S364KK7NULIIBLO62BMYYB}

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	2026-05-18T00:02:18.981685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

118dc96fdc52beda2d080added0598c07d87be8343093aca97b2e57d54afad38

Aliases

arxiv: 1810.10860 · arxiv_version: 1810.10860v1 · doi: 10.48550/arxiv.1810.10860 · pith_short_12: CGG4S364KK7N · pith_short_16: CGG4S364KK7NULII · pith_short_8: CGG4S364

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/CGG4S364KK7NULIIBLO62BMYYB \
  | 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: 118dc96fdc52beda2d080added0598c07d87be8343093aca97b2e57d54afad38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f6e94604ff5a5905c5bef16fc31a5f5d3b46c182d4cfebe55f0b67eb2a0ee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-25T13:14:32Z",
    "title_canon_sha256": "87e2e2ab255d6fc82d6cdb32c8c9c310c3b1fff9f692b729e8c62a95479e4ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10860",
    "kind": "arxiv",
    "version": 1
  }
}