Pith Number

pith:W2DSZSWJ

pith:2011:W2DSZSWJYWBJ53T237B6WQLFSX

not attested not anchored not stored refs pending

Conformal Wasserstein distances: comparing surfaces in polynomial time

Ingrid Daubechies, Yaron Lipman

arxiv:1103.4408 v1 · 2011-03-22 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2DSZSWJYWBJ53T237B6WQLFSX}

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	2026-05-18T04:10:34.320906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6872ccac9c5829eee7adfc3eb416595dff3984daf6e775bab4d5a41e0eb38d6

Aliases

arxiv: 1103.4408 · arxiv_version: 1103.4408v1 · doi: 10.48550/arxiv.1103.4408 · pith_short_12: W2DSZSWJYWBJ · pith_short_16: W2DSZSWJYWBJ53T2 · pith_short_8: W2DSZSWJ

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/W2DSZSWJYWBJ53T237B6WQLFSX \
  | 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: b6872ccac9c5829eee7adfc3eb416595dff3984daf6e775bab4d5a41e0eb38d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2755a9cac1cfd465cc13a5632621c6400019981a428c02a830d4e2d78d29b2e3",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-03-22T23:08:09Z",
    "title_canon_sha256": "5ae1838f9741a8fc49bb083a0988f96d8310adddcdf282d6a906630d06a95c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4408",
    "kind": "arxiv",
    "version": 1
  }
}