Pith Number

pith:2FEZPQJZ

pith:2018:2FEZPQJZJBFBIXJUGA2XPBPNSR

not attested not anchored not stored refs pending

A conjecture on permutation trinomials over finite fields of characteristic two

Nian Li, Qiaoyu Hu

arxiv:1809.02809 v1 · 2018-09-08 · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FEZPQJZJBFBIXJUGA2XPBPNSR}

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	2026-05-18T00:06:10.830557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14997c139484a145d3430357785ed94665be524fcf35609260ac59157ad409f

Aliases

arxiv: 1809.02809 · arxiv_version: 1809.02809v1 · doi: 10.48550/arxiv.1809.02809 · pith_short_12: 2FEZPQJZJBFB · pith_short_16: 2FEZPQJZJBFBIXJU · pith_short_8: 2FEZPQJZ

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/2FEZPQJZJBFBIXJUGA2XPBPNSR \
  | 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: d14997c139484a145d3430357785ed94665be524fcf35609260ac59157ad409f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba6caaf9a54a94befc316c4d0dae5f00cbe3915ce7fdd9962be979bde2441f5",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-08T14:34:10Z",
    "title_canon_sha256": "21fef974df18f416a75e7f1dbee8b11f956f3f8f766d9ff6ab12966b88f75de2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02809",
    "kind": "arxiv",
    "version": 1
  }
}