Pith Number

pith:DLPF44E5

pith:2014:DLPF44E5ZMLO5MA7N5DCAQYSKD

not attested not anchored not stored refs pending

Periodic perturbations with delay of coupled differential equations on manifolds with application to a sunflower-like equation

Luca Bisconti, Marco Spadini

arxiv:1411.4818 v1 · 2014-11-18 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLPF44E5ZMLO5MA7N5DCAQYSKD}

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	2026-05-18T02:34:51.175684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ade5e709dcb16eeb01f6f4620431250c556a10b61f9264bb9e3cd87358d7d5d

Aliases

arxiv: 1411.4818 · arxiv_version: 1411.4818v1 · doi: 10.48550/arxiv.1411.4818 · pith_short_12: DLPF44E5ZMLO · pith_short_16: DLPF44E5ZMLO5MA7 · pith_short_8: DLPF44E5

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/DLPF44E5ZMLO5MA7N5DCAQYSKD \
  | 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: 1ade5e709dcb16eeb01f6f4620431250c556a10b61f9264bb9e3cd87358d7d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "280572eb228633de9b64aa85711b0e6d07927bf9024bdd265ecf7a10341bf7b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-11-18T12:00:13Z",
    "title_canon_sha256": "03102f9ac6e831c31e2919477612c214c6f805a346a3c186d492aec9053ad71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4818",
    "kind": "arxiv",
    "version": 1
  }
}