Pith Number

pith:BKVBWLMI

pith:2014:BKVBWLMIO65RKD3LHLHQYMSNP7

not attested not anchored not stored refs pending

Polynomial cubic differentials and convex polygons in the projective plane

David Dumas, Michael Wolf

arxiv:1407.8149 v3 · 2014-07-30 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKVBWLMIO65RKD3LHLHQYMSNP7}

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	2026-05-18T01:32:08.404932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aaa1b2d8877bb150f6b3acf0c324d7ff8492282a5e2ce7d2ac4df835c1aae07

Aliases

arxiv: 1407.8149 · arxiv_version: 1407.8149v3 · doi: 10.48550/arxiv.1407.8149 · pith_short_12: BKVBWLMIO65R · pith_short_16: BKVBWLMIO65RKD3L · pith_short_8: BKVBWLMI

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/BKVBWLMIO65RKD3LHLHQYMSNP7 \
  | 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: 0aaa1b2d8877bb150f6b3acf0c324d7ff8492282a5e2ce7d2ac4df835c1aae07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6874a1ab66716b70e8d02971bbcc305ee2a4c47e4a06e719f662101153a7a84c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-30T18:22:21Z",
    "title_canon_sha256": "9b7f40934ad384fdb927247589c47e0d0017f034ab265b52697d2c46309fd14e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8149",
    "kind": "arxiv",
    "version": 3
  }
}