Pith Number

pith:25YKWCBS

pith:2017:25YKWCBSCFFOJDWV7IQWFN2V7E

not attested not anchored not stored refs pending

A remark on spaces of flat metrics with cone singularities of constant sign curvatures

Fran\c{c}ois Fillastre, Ivan Izmestiev

arxiv:1702.02114 v2 · 2017-02-07 · 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{25YKWCBSCFFOJDWV7IQWFN2V7E}

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	2026-05-18T00:30:28.521292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d770ab0832114ae48ed5fa2162b755f9378e52bf6ed531a2dd347d6120e57589

Aliases

arxiv: 1702.02114 · arxiv_version: 1702.02114v2 · doi: 10.48550/arxiv.1702.02114 · pith_short_12: 25YKWCBSCFFO · pith_short_16: 25YKWCBSCFFOJDWV · pith_short_8: 25YKWCBS

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/25YKWCBSCFFOJDWV7IQWFN2V7E \
  | 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: d770ab0832114ae48ed5fa2162b755f9378e52bf6ed531a2dd347d6120e57589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065f0ddc5090fef45737cc95d1db711f910f8013b9175741cbac6c3ae3568794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-07T17:42:01Z",
    "title_canon_sha256": "5d2d4c0239741315a9948bb45e747143074d0e1a5f02e5ffd3482ddc495a06de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02114",
    "kind": "arxiv",
    "version": 2
  }
}