Pith Number

pith:QTCPE3AK

pith:2015:QTCPE3AKMY5YOYVOBYJ2QT376U

not attested not anchored not stored refs pending

Meromorphic cubic differentials and convex projective structures

Xin Nie

arxiv:1503.02608 v2 · 2015-03-09 · 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{QTCPE3AKMY5YOYVOBYJ2QT376U}

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	2026-05-18T00:53:17.861299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c4f26c0a663b8762ae0e13a84f7ff51d663333e15770577332dca6d4c280a1

Aliases

arxiv: 1503.02608 · arxiv_version: 1503.02608v2 · doi: 10.48550/arxiv.1503.02608 · pith_short_12: QTCPE3AKMY5Y · pith_short_16: QTCPE3AKMY5YOYVO · pith_short_8: QTCPE3AK

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/QTCPE3AKMY5YOYVOBYJ2QT376U \
  | 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: 84c4f26c0a663b8762ae0e13a84f7ff51d663333e15770577332dca6d4c280a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1498e4832332160bab7bc90c0926295b7301ae5476fca1d201d0b78ae3b61e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-09T18:43:31Z",
    "title_canon_sha256": "0068259117a681fd89fa1f2768678fb9cee00a5c2a9f19dab4364a606364412a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02608",
    "kind": "arxiv",
    "version": 2
  }
}