Pith Number

pith:WKMPPMYH

pith:2014:WKMPPMYHU3TOISITSL4XPVU4MC

not attested not anchored not stored refs pending

Strong Stability of Cotangent Bundles of Cyclic Covers

Junchao Shentu, Lingguang Li

arxiv:1405.0106 v2 · 2014-05-01 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKMPPMYHU3TOISITSL4XPVU4MC}

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	2026-05-18T02:51:00.572884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b298f7b307a6e6e4491392f977d69c60a2f39c39b6986ef85484a7659671fe4a

Aliases

arxiv: 1405.0106 · arxiv_version: 1405.0106v2 · doi: 10.48550/arxiv.1405.0106 · pith_short_12: WKMPPMYHU3TO · pith_short_16: WKMPPMYHU3TOISIT · pith_short_8: WKMPPMYH

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/WKMPPMYHU3TOISITSL4XPVU4MC \
  | 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: b298f7b307a6e6e4491392f977d69c60a2f39c39b6986ef85484a7659671fe4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb419a6548f523a9a43ea845ffd8701d780d22858f5aae653755cb8158601f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-01T06:37:59Z",
    "title_canon_sha256": "b48749ce3ff6ee1559f91b8236558598e408207967d5a8d3f0778169e7020984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0106",
    "kind": "arxiv",
    "version": 2
  }
}