Pith Number

pith:KB23XRRE

pith:2012:KB23XRRE364DLH5ZH33KCCSKDC

not attested not anchored not stored refs pending

Polyhedral Finsler spaces with locally unique geodesics

Dmitri Burago, Sergei Ivanov

arxiv:1210.5286 v3 · 2012-10-19 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KB23XRRE364DLH5ZH33KCCSKDC}

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	2026-05-18T03:06:05.001887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5075bbc624dfb8359fb93ef6a10a4a18ba7d0ff00377633b72b6086b8e44bc08

Aliases

arxiv: 1210.5286 · arxiv_version: 1210.5286v3 · doi: 10.48550/arxiv.1210.5286 · pith_short_12: KB23XRRE364D · pith_short_16: KB23XRRE364DLH5Z · pith_short_8: KB23XRRE

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/KB23XRRE364DLH5ZH33KCCSKDC \
  | 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: 5075bbc624dfb8359fb93ef6a10a4a18ba7d0ff00377633b72b6086b8e44bc08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff9fc50c1c473a0cac7d9f794a2064eb7559b073f09f8af4746afba854136c59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-10-19T00:09:23Z",
    "title_canon_sha256": "95850e7bdecea5167aef34f0ad0c29be9c33f607574a4a4b332570d49eb2e213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5286",
    "kind": "arxiv",
    "version": 3
  }
}