Pith Number

pith:67C3IWUP

pith:2019:67C3IWUPKJZB36XJQRIP2ZZ3YR

not attested not anchored not stored refs pending

Geodesic orbit Finsler space with $K\geq0$ and the (FP) condition

Ming Xu

arxiv:1907.05985 v1 · 2019-07-13 · 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{67C3IWUPKJZB36XJQRIP2ZZ3YR}

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	2026-05-17T23:40:42.772580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c5b45a8f52721dfae98450fd673bc4633433ecab713654aceefd1c3ce7c381

Aliases

arxiv: 1907.05985 · arxiv_version: 1907.05985v1 · doi: 10.48550/arxiv.1907.05985 · pith_short_12: 67C3IWUPKJZB · pith_short_16: 67C3IWUPKJZB36XJ · pith_short_8: 67C3IWUP

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/67C3IWUPKJZB36XJQRIP2ZZ3YR \
  | 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: f7c5b45a8f52721dfae98450fd673bc4633433ecab713654aceefd1c3ce7c381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c84dd2fef792fbc7b14254b67838f2738217ced52dc645238c3ca53355b77f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-07-13T00:40:43Z",
    "title_canon_sha256": "34b6168683600be82a23f371e66cf6f761b3ddbdd3bef297e049c88a59cffd1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05985",
    "kind": "arxiv",
    "version": 1
  }
}