Pith Number

pith:UBVTA67F

pith:2016:UBVTA67FW3424NCNER5CAQLFJ4

not attested not anchored not stored refs pending

Distance proper connection of graphs

Colton Magnant, Meiqin Wei, Xiaoyu Zhu, Xueliang Li

arxiv:1606.06547 v1 · 2016-06-21 · 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{UBVTA67FW3424NCNER5CAQLFJ4}

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	2026-05-18T01:12:09.278985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06b307be5b6f9ae344d247a2041654f1e22964e84e22db6bb1adde9403581a4

Aliases

arxiv: 1606.06547 · arxiv_version: 1606.06547v1 · doi: 10.48550/arxiv.1606.06547 · pith_short_12: UBVTA67FW342 · pith_short_16: UBVTA67FW3424NCN · pith_short_8: UBVTA67F

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/UBVTA67FW3424NCNER5CAQLFJ4 \
  | 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: a06b307be5b6f9ae344d247a2041654f1e22964e84e22db6bb1adde9403581a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5431f60fef363d6cd68f2484cf79817b456ac8f9bd66a59455c46115b0154ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-06-21T12:53:02Z",
    "title_canon_sha256": "6c5ffda9ae926a952612ef1a9406bb3a887dca03af4538857d0e1766b70c30f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06547",
    "kind": "arxiv",
    "version": 1
  }
}