Pith Number

pith:3COY6MEA

pith:2015:3COY6MEAFTQI3YZBDCQNNYU3OH

not attested not anchored not stored refs pending

A Remark on Regular Points of Ricci Limit Spaces

Lina Chen

arxiv:1508.07105 v2 · 2015-08-28 · 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{3COY6MEAFTQI3YZBDCQNNYU3OH}

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	2026-05-18T01:22:36.685488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d89d8f30802ce08de32118a0d6e29b71e7744889078e1101f4f8acc1475389a8

Aliases

arxiv: 1508.07105 · arxiv_version: 1508.07105v2 · doi: 10.48550/arxiv.1508.07105 · pith_short_12: 3COY6MEAFTQI · pith_short_16: 3COY6MEAFTQI3YZB · pith_short_8: 3COY6MEA

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/3COY6MEAFTQI3YZBDCQNNYU3OH \
  | 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: d89d8f30802ce08de32118a0d6e29b71e7744889078e1101f4f8acc1475389a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b08c491017c3f3cfbdfd046322ceda984f03adb66120419756d5d8f1b892c74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-08-28T06:22:06Z",
    "title_canon_sha256": "3309e7885c59eb47b585c34cc4b589162145645f14007c3d854ca8b368eab070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07105",
    "kind": "arxiv",
    "version": 2
  }
}