Pith Number

pith:DOFUSFNA

pith:2015:DOFUSFNAKQX4JESDWORRRJZUZT

not attested not anchored not stored refs pending

Quadratic polynomials of small modulus cannot represent OR

Holden Lee

arxiv:1509.08896 v2 · 2015-09-29 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOFUSFNAKQX4JESDWORRRJZUZT}

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	2026-05-18T01:27:07.307757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b8b4915a0542fc49243b3a318a734ccf9516adf181217fd1eeb5d2dd4dc4cbc

Aliases

arxiv: 1509.08896 · arxiv_version: 1509.08896v2 · doi: 10.48550/arxiv.1509.08896 · pith_short_12: DOFUSFNAKQX4 · pith_short_16: DOFUSFNAKQX4JESD · pith_short_8: DOFUSFNA

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/DOFUSFNAKQX4JESDWORRRJZUZT \
  | 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: 1b8b4915a0542fc49243b3a318a734ccf9516adf181217fd1eeb5d2dd4dc4cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbed1b076aad62fb07256272c3e27a850da61ec48fbce101feb1a0a486b79875",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-09-29T19:24:51Z",
    "title_canon_sha256": "02597bf1ebf39e3583b9f8b98694c8a8a7c65a5721a60903abbc56df513ff98e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08896",
    "kind": "arxiv",
    "version": 2
  }
}