Pith Number

pith:P6BZJUCD

pith:2012:P6BZJUCDZBSX5I4EANCFGRZWQO

not attested not anchored not stored refs pending

A characterization of two-weight projective cyclic codes

Tao Feng

arxiv:1211.3189 v1 · 2012-11-14 · cs.IT · math.IT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6BZJUCDZBSX5I4EANCFGRZWQO}

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	2026-05-18T03:40:50.647679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f8394d043c8657ea384034453473683af6b6b44c205f02be4f74cf37e277948

Aliases

arxiv: 1211.3189 · arxiv_version: 1211.3189v1 · doi: 10.48550/arxiv.1211.3189 · pith_short_12: P6BZJUCDZBSX · pith_short_16: P6BZJUCDZBSX5I4E · pith_short_8: P6BZJUCD

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/P6BZJUCDZBSX5I4EANCFGRZWQO \
  | 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: 7f8394d043c8657ea384034453473683af6b6b44c205f02be4f74cf37e277948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eed4deb3e769747f3d64032be06152d0c81e69775cb46f4507848d4ad8c9973",
    "cross_cats_sorted": [
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-14T03:10:49Z",
    "title_canon_sha256": "dc3d9624cf5eb7fe6aeb30a60af7c3aa13dd32741d9e22b3d39063fc1d4b07d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3189",
    "kind": "arxiv",
    "version": 1
  }
}