Pith Number

pith:VME7OZ3R

pith:2014:VME7OZ3RJCTUDM7FRB3DFMLIX3

not attested not anchored not stored refs pending

On $\frac\pi2$-separated subsets of Alexandrov spaces with curvature $\geq1$

Hongwei Sun, Xiaole Su, Yusheng Wang

arxiv:1403.3169 v2 · 2014-03-13 · 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{VME7OZ3RJCTUDM7FRB3DFMLIX3}

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	2026-05-18T02:55:56.894596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab09f7677148a741b3e5887632b168bedd6353b28829dd812edbc0b2b95bfe5a

Aliases

arxiv: 1403.3169 · arxiv_version: 1403.3169v2 · doi: 10.48550/arxiv.1403.3169 · pith_short_12: VME7OZ3RJCTU · pith_short_16: VME7OZ3RJCTUDM7F · pith_short_8: VME7OZ3R

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/VME7OZ3RJCTUDM7FRB3DFMLIX3 \
  | 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: ab09f7677148a741b3e5887632b168bedd6353b28829dd812edbc0b2b95bfe5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c6864022dc6b764fde0053295d2007a4afd2dce58ffd8a76aa94417ec897f80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-03-13T06:22:45Z",
    "title_canon_sha256": "c81bb32038c93c98207d469415d14ee6708ef06b94addeb2990146ef4294b962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3169",
    "kind": "arxiv",
    "version": 2
  }
}