Pith Number

pith:7MNJJJ2M

pith:2021:7MNJJJ2MGEIQY3ZM6KXNPWUTA6

not attested not anchored not stored refs pending

A Graph-Matching Formulation of the Interleaving Distance between Merge Trees

Matteo Pegoraro

arxiv:2111.15531 v6 · 2021-11-30 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MNJJJ2MGEIQY3ZM6KXNPWUTA6}

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.

Cited by

1 paper in Pith

Towards an Optimal Bound for the Interleaving Distance on Mapper Graphs

Receipt and verification

First computed	2026-07-05T09:32:38.242780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb1a94a74c31110c6f2cf2aed7da9307be8ad10e3e2d6a5b74d7e6c8f5175b3d

Aliases

arxiv: 2111.15531 · arxiv_version: 2111.15531v6 · doi: 10.48550/arxiv.2111.15531 · pith_short_12: 7MNJJJ2MGEIQ · pith_short_16: 7MNJJJ2MGEIQY3ZM · pith_short_8: 7MNJJJ2M

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/7MNJJJ2MGEIQY3ZM6KXNPWUTA6 \
  | 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: fb1a94a74c31110c6f2cf2aed7da9307be8ad10e3e2d6a5b74d7e6c8f5175b3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "207e4279e4e86347529ff6226c21e124fe00b1dd406348f3cd5a69e5144862ae",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-11-30T16:21:55Z",
    "title_canon_sha256": "3c8509699dd5556a46c3a175dcede2a39cd1046af2cda4f49535f6fa0b6af573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15531",
    "kind": "arxiv",
    "version": 6
  }
}