Pith Number

pith:3XMQOGA3

pith:2017:3XMQOGA3GZ3BWTDHTCRWSMVWLZ

not attested not anchored not stored refs pending

Local Equivalence and Intrinsic Metrics between Reeb Graphs

Mathieu Carri\`ere, Steve Oudot

arxiv:1703.02901 v1 · 2017-03-08 · cs.CG · 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{3XMQOGA3GZ3BWTDHTCRWSMVWLZ}

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	2026-05-18T00:49:05.347594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd907181b36761b4c6798a36932b65e7228bbf952ca3d2ad84e81debb2085b5

Aliases

arxiv: 1703.02901 · arxiv_version: 1703.02901v1 · doi: 10.48550/arxiv.1703.02901 · pith_short_12: 3XMQOGA3GZ3B · pith_short_16: 3XMQOGA3GZ3BWTDH · pith_short_8: 3XMQOGA3

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/3XMQOGA3GZ3BWTDHTCRWSMVWLZ \
  | 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: ddd907181b36761b4c6798a36932b65e7228bbf952ca3d2ad84e81debb2085b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9221facb92720bf147e8cb22185539229e54a42b9127436126bd4eed5d2a10",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-03-08T16:32:05Z",
    "title_canon_sha256": "c1f13de133ff3f30fac8909569cd836281a327f06d83424c8d5bc1c128a36987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02901",
    "kind": "arxiv",
    "version": 1
  }
}