Pith Number

pith:NNB3DHIS

pith:2013:NNB3DHISKNC6BPBFBP7PYVHPFN

not attested not anchored not stored refs pending

Expander Chunked Codes

Baoliu Ye, Bin Tang, Sanglu Lu, Shenghao Yang, Yitong Yin

arxiv:1307.5664 v3 · 2013-07-22 · cs.IT · 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{NNB3DHISKNC6BPBFBP7PYVHPFN}

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	2026-05-18T02:20:20.126667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b43b19d125345e0bc250bfefc54ef2b7e69a55747385a9e453d0332c97babc4

Aliases

arxiv: 1307.5664 · arxiv_version: 1307.5664v3 · doi: 10.48550/arxiv.1307.5664 · pith_short_12: NNB3DHISKNC6 · pith_short_16: NNB3DHISKNC6BPBF · pith_short_8: NNB3DHIS

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/NNB3DHISKNC6BPBFBP7PYVHPFN \
  | 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: 6b43b19d125345e0bc250bfefc54ef2b7e69a55747385a9e453d0332c97babc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a316e8b98cf5091cc7561e4edcff27d49d97938fce3dff92cf86c47b0961226",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-22T11:56:13Z",
    "title_canon_sha256": "c6a3df0988e811575b8af8601392d15349261deef3c15079cf9df65ff0533696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5664",
    "kind": "arxiv",
    "version": 3
  }
}