Pith Number

pith:IYF6JKNW

pith:2015:IYF6JKNWWUPQVG36F2PM5GSYYZ

not attested not anchored not stored refs pending

Existence of periodic solutions of a periodic SEIRS model with general incidence

C\'esar M. Silva, Joaquim P. Mateus

arxiv:1512.01469 v1 · 2015-12-04 · math.DS · 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{IYF6JKNWWUPQVG36F2PM5GSYYZ}

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	2026-05-18T01:25:16.772868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

460be4a9b6b51f0a9b7e2e9ece9a58c64c797e851cdc72ac9a15b4be3bfbc1fd

Aliases

arxiv: 1512.01469 · arxiv_version: 1512.01469v1 · doi: 10.48550/arxiv.1512.01469 · pith_short_12: IYF6JKNWWUPQ · pith_short_16: IYF6JKNWWUPQVG36 · pith_short_8: IYF6JKNW

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/IYF6JKNWWUPQVG36F2PM5GSYYZ \
  | 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: 460be4a9b6b51f0a9b7e2e9ece9a58c64c797e851cdc72ac9a15b4be3bfbc1fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8dbe2c15eef358afefe39c900433a5f4901363f9bf29ab228f3fa2afce4b87",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-12-04T16:27:48Z",
    "title_canon_sha256": "c20058421ca020368176b899bc682cae8779ec7bcaa8b6bc45492cf246f65fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01469",
    "kind": "arxiv",
    "version": 1
  }
}