Pith Number

pith:CHDBFJ4Y

pith:2016:CHDBFJ4YEE27UR3VMRTTDJSMXS

not attested not anchored not stored refs pending

Minimum Spanning trees with Neighborhoods

Elena Fern\'andez, Justo Puerto, V\'ictor Blanco

arxiv:1611.02918 v1 · 2016-11-09 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHDBFJ4YEE27UR3VMRTTDJSMXS}

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	2026-05-18T00:59:43.167943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11c612a7982135fa4775646731a64cbca9a0b159829b7ca112fe7d1f9e9abf6a

Aliases

arxiv: 1611.02918 · arxiv_version: 1611.02918v1 · doi: 10.48550/arxiv.1611.02918 · pith_short_12: CHDBFJ4YEE27 · pith_short_16: CHDBFJ4YEE27UR3V · pith_short_8: CHDBFJ4Y

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/CHDBFJ4YEE27UR3VMRTTDJSMXS \
  | 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: 11c612a7982135fa4775646731a64cbca9a0b159829b7ca112fe7d1f9e9abf6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99cd51ce64663fe60f31860587b0bfb86cf754a0999df0605c16fb297114100c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-11-09T13:21:34Z",
    "title_canon_sha256": "de63ec5515d1bd118ba2fad0f071f13a5cedab1aa92f116828554b14040798c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02918",
    "kind": "arxiv",
    "version": 1
  }
}