Pith Number

pith:UUB64VBU

pith:2016:UUB64VBUENLDMGAVZZXQNDF3NK

not attested not anchored not stored refs pending

Rooted Uniform Monotone Minimum Spanning Trees

Antonios Symvonis, Konstantinos Mastakas

arxiv:1607.03338 v2 · 2016-07-12 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUB64VBUENLDMGAVZZXQNDF3NK}

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	2026-05-18T00:52:03.987671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a503ee54342356361815ce6f068cbb6aaf8eedaaef1ef530f67657cd42a9bbcf

Aliases

arxiv: 1607.03338 · arxiv_version: 1607.03338v2 · doi: 10.48550/arxiv.1607.03338 · pith_short_12: UUB64VBUENLD · pith_short_16: UUB64VBUENLDMGAV · pith_short_8: UUB64VBU

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/UUB64VBUENLDMGAVZZXQNDF3NK \
  | 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: a503ee54342356361815ce6f068cbb6aaf8eedaaef1ef530f67657cd42a9bbcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2d0d6592aa00eee92080d62cfa172bd3707fd6b04bd41215fc067833bb3171",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-07-12T12:49:28Z",
    "title_canon_sha256": "c45b9dde3a71d5d62db604ca1598c7f5ed5999e042104bcb478db02b68e01ca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03338",
    "kind": "arxiv",
    "version": 2
  }
}