Pith Number

pith:XLKUCBVI

pith:2014:XLKUCBVI57FDGDFKHRVQU23EPP

not attested not anchored not stored refs pending

Proof of a refinement of Blum's conjecture on hexagonal dungeons

Tri Lai

arxiv:1403.4481 v4 · 2014-03-18 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLKUCBVI57FDGDFKHRVQU23EPP}

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	2026-05-18T02:19:50.718233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad54106a8efca330caa3c6b0a6b647bf453f18dad0f08a675b9bfb9b3f1c376

Aliases

arxiv: 1403.4481 · arxiv_version: 1403.4481v4 · doi: 10.48550/arxiv.1403.4481 · pith_short_12: XLKUCBVI57FD · pith_short_16: XLKUCBVI57FDGDFK · pith_short_8: XLKUCBVI

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/XLKUCBVI57FDGDFKHRVQU23EPP \
  | 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: bad54106a8efca330caa3c6b0a6b647bf453f18dad0f08a675b9bfb9b3f1c376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a17a3079d69102cfabe054fbefc2e71e61ccc4f908b11f87ce517dde3b39d22d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-18T14:43:04Z",
    "title_canon_sha256": "b49b26158df2c9f8742a0ab458d05e92c287fbe4d5317fe19dd7bd76b7e83190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4481",
    "kind": "arxiv",
    "version": 4
  }
}