Pith Number

pith:AGQYSWZC

pith:2016:AGQYSWZCVRPEOSCP7SY7DFBWUT

not attested not anchored not stored refs pending

Steady Ricci solitons with horizontally $\epsilon$-pinched Ricci curvature

Xiaohua Zhu, Yuxing Deng

arxiv:1601.02111 v3 · 2016-01-09 · 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{AGQYSWZCVRPEOSCP7SY7DFBWUT}

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	2026-05-18T00:55:58.358082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01a1895b22ac5e47484ffcb1f19436a4fb407de22bf66007e2be058c4392a055

Aliases

arxiv: 1601.02111 · arxiv_version: 1601.02111v3 · doi: 10.48550/arxiv.1601.02111 · pith_short_12: AGQYSWZCVRPE · pith_short_16: AGQYSWZCVRPEOSCP · pith_short_8: AGQYSWZC

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/AGQYSWZCVRPEOSCP7SY7DFBWUT \
  | 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: 01a1895b22ac5e47484ffcb1f19436a4fb407de22bf66007e2be058c4392a055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69f842eaa7b9c751004ec8071f6f34f5496dce3f601166821874cd1cce263885",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-09T13:42:32Z",
    "title_canon_sha256": "63bebb4dcb61ef780748cd2d1063335db180e154ac043bf692812d74dc060394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02111",
    "kind": "arxiv",
    "version": 3
  }
}