Pith Number

pith:M65BXSBB

pith:2015:M65BXSBBETR4KMVHYIWAN6D2KW

not attested not anchored not stored refs pending

Toward a 6/5 Bound for the Minimum Cost 2-Edge Connected Spanning Subgraph Problem

Philippe Legault, Sylvia Boyd

arxiv:1512.08070 v2 · 2015-12-26 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M65BXSBBETR4KMVHYIWAN6D2KW}

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	2026-05-18T01:21:36.652548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ba1bc82124e3c532a7c22c06f87a558d9a2c3fe3de2ab5cc6652db40c9a2cb

Aliases

arxiv: 1512.08070 · arxiv_version: 1512.08070v2 · doi: 10.48550/arxiv.1512.08070 · pith_short_12: M65BXSBBETR4 · pith_short_16: M65BXSBBETR4KMVH · pith_short_8: M65BXSBB

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/M65BXSBBETR4KMVHYIWAN6D2KW \
  | 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: 67ba1bc82124e3c532a7c22c06f87a558d9a2c3fe3de2ab5cc6652db40c9a2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f36ee8be6b466f91651ba629594a79d2431030a165e42a80d4a46d38e430731",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-12-26T04:12:11Z",
    "title_canon_sha256": "ef61d3dde7409870812f3e41bdbc4cf7a108cdec90c953b3cd4f07003ad15245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08070",
    "kind": "arxiv",
    "version": 2
  }
}