pith. sign in
Pith Number

pith:5NUNQNH2

pith:2014:5NUNQNH27PRFN5GHXVPGYB4M5L
not attested not anchored not stored refs pending

The plastic number and its generalized polynomial

Vasileios Iliopoulos

arxiv:1407.2091 v3 · 2014-07-08 · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5NUNQNH27PRFN5GHXVPGYB4M5L}

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 2026-05-18T00:24:32.150350Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

eb68d834fafbe256f4c7bd5e6c078cead5976762913211e99cce2aefba84878e

Aliases

arxiv: 1407.2091 · arxiv_version: 1407.2091v3 · doi: 10.48550/arxiv.1407.2091 · pith_short_12: 5NUNQNH27PRF · pith_short_16: 5NUNQNH27PRFN5GH · pith_short_8: 5NUNQNH2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5NUNQNH27PRFN5GHXVPGYB4M5L \
  | 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: eb68d834fafbe256f4c7bd5e6c078cead5976762913211e99cce2aefba84878e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "91a97af14caf6595908d0187fbaaff7a7260b3e6cd996f48533de4772b6dc069",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-07-08T14:05:28Z",
    "title_canon_sha256": "2f8106aaffbb11131d03224a0757b7af44fd09cf18524e01049620c6fb84406c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2091",
    "kind": "arxiv",
    "version": 3
  }
}