Pith Number

pith:5OO24N3Y

pith:2012:5OO24N3YOUWK7XEU7CPAAOU4TS

not attested not anchored not stored refs pending

New affine-invariant codes from lifting

Alan Guo, Madhu Sudan, Swastik Kopparty

arxiv:1208.5413 v2 · 2012-08-27 · cs.IT · cs.CC · 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{5OO24N3YOUWK7XEU7CPAAOU4TS}

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	2026-05-18T03:41:20.015997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb9dae3778752cafdc94f89e003a9c9c8f6491cc332d1930dd250520f8348fc4

Aliases

arxiv: 1208.5413 · arxiv_version: 1208.5413v2 · doi: 10.48550/arxiv.1208.5413 · pith_short_12: 5OO24N3YOUWK · pith_short_16: 5OO24N3YOUWK7XEU · pith_short_8: 5OO24N3Y

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/5OO24N3YOUWK7XEU7CPAAOU4TS \
  | 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: eb9dae3778752cafdc94f89e003a9c9c8f6491cc332d1930dd250520f8348fc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c64cfd7e0dff908de18305da4ee923e5d17632e4f8eef0aa223c6d5587bce90c",
    "cross_cats_sorted": [
      "cs.CC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-08-27T14:57:52Z",
    "title_canon_sha256": "c2edca6d662c51f176aa23d3c05733a666017198ef608288bf159e3308775b2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5413",
    "kind": "arxiv",
    "version": 2
  }
}