Pith Number

pith:GYRHVFMM

pith:2017:GYRHVFMMY2RNEJS6YDQ76MXRDU

not attested not anchored not stored refs pending

The edit distance function of some graphs

Yarong Wei, Yongtang Shi, Yumei Hu

arxiv:1707.07170 v2 · 2017-07-22 · 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{GYRHVFMMY2RNEJS6YDQ76MXRDU}

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	2026-05-18T00:16:14.464814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36227a958cc6a2d2265ec0e1ff32f11d1275036a3dcccea5d890bfedbd27b7b0

Aliases

arxiv: 1707.07170 · arxiv_version: 1707.07170v2 · doi: 10.48550/arxiv.1707.07170 · pith_short_12: GYRHVFMMY2RN · pith_short_16: GYRHVFMMY2RNEJS6 · pith_short_8: GYRHVFMM

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/GYRHVFMMY2RNEJS6YDQ76MXRDU \
  | 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: 36227a958cc6a2d2265ec0e1ff32f11d1275036a3dcccea5d890bfedbd27b7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2430c25882a177d4fe13a11040e10b7584cf758812fd4493280d287a8c740c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-22T14:24:53Z",
    "title_canon_sha256": "7725c33ce4549e0af715a73f460085240f9e6b35c14ca0d362d949c380f524e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07170",
    "kind": "arxiv",
    "version": 2
  }
}