Pith Number

pith:R4CX6XM6

pith:2014:R4CX6XM6ZY4NFZGQFRJMMW2DYM

not attested not anchored not stored refs pending

Continuous anti-forcing spectra of cata-condensed hexagonal systems

Heping Zhang, Kai Deng

arxiv:1411.5468 v1 · 2014-11-20 · 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{R4CX6XM6ZY4NFZGQFRJMMW2DYM}

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	2026-05-18T02:33:24.581619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f057f5d9ece38d2e4d02c52c65b43c33836f4df01d80252f9c9ecabf31087b4

Aliases

arxiv: 1411.5468 · arxiv_version: 1411.5468v1 · doi: 10.48550/arxiv.1411.5468 · pith_short_12: R4CX6XM6ZY4N · pith_short_16: R4CX6XM6ZY4NFZGQ · pith_short_8: R4CX6XM6

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/R4CX6XM6ZY4NFZGQFRJMMW2DYM \
  | 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: 8f057f5d9ece38d2e4d02c52c65b43c33836f4df01d80252f9c9ecabf31087b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "331fe380cd61899833e931d18db6415607e996d91ccad074f739a3b44a1bb770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-20T08:26:00Z",
    "title_canon_sha256": "02ef36804b760f161779764551f18bcd05785d5d23c4a154c54085c713ca8d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5468",
    "kind": "arxiv",
    "version": 1
  }
}