pith. sign in
Pith Number

pith:7XORVUNF

pith:2016:7XORVUNFEAFA5SOXGRW6GKBUVD
not attested not anchored not stored refs pending

Perpetual points and periodic perpetual loci in maps

Awadhesh Prasad, Dawid Dudkowski, Tomasz Kapitaniak

arxiv:1609.04582 v1 · 2016-09-15 · nlin.CD

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7XORVUNFEAFA5SOXGRW6GKBUVD}

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 2026-05-18T01:00:33.598084Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fddd1ad1a5200a0ec9d7346de32834a8d9f26c2b3ae25f6ae33458cc76420d7b

Aliases

arxiv: 1609.04582 · arxiv_version: 1609.04582v1 · doi: 10.48550/arxiv.1609.04582 · pith_short_12: 7XORVUNFEAFA · pith_short_16: 7XORVUNFEAFA5SOX · pith_short_8: 7XORVUNF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7XORVUNFEAFA5SOXGRW6GKBUVD \
  | 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: fddd1ad1a5200a0ec9d7346de32834a8d9f26c2b3ae25f6ae33458cc76420d7b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "60426b7ea57d04890db0ce06565515eaa5d72c82ac8222a46edbbc616ef5cf3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2016-09-15T11:48:36Z",
    "title_canon_sha256": "1e5dd46aa8fba91a7105c546abced9c7e2f62d3984596d490aafbcb3c98e0318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04582",
    "kind": "arxiv",
    "version": 1
  }
}