Pith Number

pith:7QMH2VCU

pith:2014:7QMH2VCUEY4K4FYF64JDQTCFDT

not attested not anchored not stored refs pending

Boundary Effect of Ricci Curvature

Pengzi Miao, Xiaodong Wang

arxiv:1408.2711 v1 · 2014-08-12 · 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{7QMH2VCUEY4K4FYF64JDQTCFDT}

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	2026-05-18T02:45:22.463701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc187d54542638ae1705f712384c451cd5cc314f5e9f17cd339f44988a047c59

Aliases

arxiv: 1408.2711 · arxiv_version: 1408.2711v1 · doi: 10.48550/arxiv.1408.2711 · pith_short_12: 7QMH2VCUEY4K · pith_short_16: 7QMH2VCUEY4K4FYF · pith_short_8: 7QMH2VCU

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/7QMH2VCUEY4K4FYF64JDQTCFDT \
  | 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: fc187d54542638ae1705f712384c451cd5cc314f5e9f17cd339f44988a047c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "076414c7db861f3a830a04370fa6fde9b6f4be610d76f2e0a0becc84b5377d99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-12T13:30:22Z",
    "title_canon_sha256": "645d5c0252c5721e7878f902295cdffc19b15f5f8bd9cbd17e9b8a6e2d9987fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2711",
    "kind": "arxiv",
    "version": 1
  }
}