Pith Number

pith:ZLYDERCE

pith:2014:ZLYDERCEOYILV3IL7DHJ6Y43FA

not attested not anchored not stored refs pending

Analytic Differential Equations and Spherical Real Hypersurfaces

Ilya Kossovskiy, Rasul Shafikov

arxiv:1401.4724 v2 · 2014-01-19 · math.CV · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLYDERCEOYILV3IL7DHJ6Y43FA}

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	2026-05-18T03:00:51.118090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf03244447610baed0bf8ce9f639b28274709163ece42bfde4df62d1c93d7ef

Aliases

arxiv: 1401.4724 · arxiv_version: 1401.4724v2 · doi: 10.48550/arxiv.1401.4724 · pith_short_12: ZLYDERCEOYIL · pith_short_16: ZLYDERCEOYILV3IL · pith_short_8: ZLYDERCE

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/ZLYDERCEOYILV3IL7DHJ6Y43FA \
  | 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: caf03244447610baed0bf8ce9f639b28274709163ece42bfde4df62d1c93d7ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac0582b545bf7cdededd4f8ca88c93438084e25e69aced4a19fde95124895e27",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-01-19T19:42:38Z",
    "title_canon_sha256": "b120fa5ffb877a1983dc96914ed88f202bcb1b7490c2a9f1ce030229e3512291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4724",
    "kind": "arxiv",
    "version": 2
  }
}