pith. sign in
Pith Number

pith:2YN3DKXJ

pith:2016:2YN3DKXJ3VHCHJXM2ADCOOZRD3
not attested not anchored not stored refs pending

Existence and Stability of Positive Periodic Solutions to Functional Differential Equations

Haiyan Wang, Meng Fan, Shaojiang Yu, Yang Kuang

arxiv:1604.08175 v1 · 2016-04-27 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2YN3DKXJ3VHCHJXM2ADCOOZRD3}

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 2026-05-18T01:16:07.890929Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d61bb1aae9dd4e23a6ecd006273b311eeb51369271ad54f14c674ccbee77e88e

Aliases

arxiv: 1604.08175 · arxiv_version: 1604.08175v1 · doi: 10.48550/arxiv.1604.08175 · pith_short_12: 2YN3DKXJ3VHC · pith_short_16: 2YN3DKXJ3VHCHJXM · pith_short_8: 2YN3DKXJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2YN3DKXJ3VHCHJXM2ADCOOZRD3 \
  | 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: d61bb1aae9dd4e23a6ecd006273b311eeb51369271ad54f14c674ccbee77e88e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "003d185cdf0098d66d2c8f1be0cd9d3e2c1d57363c8433d6af0516953493a35c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-04-27T18:47:20Z",
    "title_canon_sha256": "c57125be3e1186c0e39a13e526260bba2ea449a4daa89b9e6d0db85507d28646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08175",
    "kind": "arxiv",
    "version": 1
  }
}