Pith Number

pith:KYHMWDTX

pith:2014:KYHMWDTXNOXPPV5X2M53EWW7BE

not attested not anchored not stored refs pending

Flip-graph moduli spaces of filling surfaces

Hugo Parlier, Lionel Pournin

arxiv:1407.1516 v1 · 2014-07-06 · math.GT · 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{KYHMWDTXNOXPPV5X2M53EWW7BE}

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	2026-05-18T00:37:49.052885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

560ecb0e776baef7d7b7d33bb25adf092c33d68b151a6aed9816d44e8a08c058

Aliases

arxiv: 1407.1516 · arxiv_version: 1407.1516v1 · doi: 10.48550/arxiv.1407.1516 · pith_short_12: KYHMWDTXNOXP · pith_short_16: KYHMWDTXNOXPPV5X · pith_short_8: KYHMWDTX

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/KYHMWDTXNOXPPV5X2M53EWW7BE \
  | 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: 560ecb0e776baef7d7b7d33bb25adf092c33d68b151a6aed9816d44e8a08c058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b8891ee8ea8648d7f87256caa40e3e483e4827a9ddb36f1b03466caf0b5835",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-07-06T17:37:26Z",
    "title_canon_sha256": "6d6fe0401758c1a4bd66e380a5ee475d47c550ec9b3d2326c011d4389eabb411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1516",
    "kind": "arxiv",
    "version": 1
  }
}