Pith Number

pith:X6BS6M3O

pith:2009:X6BS6M3OHKRZ4VP3QL7F646FOZ

not attested not anchored not stored refs pending

Succinct Representation of Codes with Applications to Testing

Elena Grigorescu, Madhu Sudan, Tali Kaufman

arxiv:0905.2919 v1 · 2009-05-18 · 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{X6BS6M3OHKRZ4VP3QL7F646FOZ}

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	2026-05-18T02:13:38.841007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf832f336e3aa39e55fb82fe5f73c5766d132f3f880307ffa73f7845d83000cb

Aliases

arxiv: 0905.2919 · arxiv_version: 0905.2919v1 · doi: 10.48550/arxiv.0905.2919 · pith_short_12: X6BS6M3OHKRZ · pith_short_16: X6BS6M3OHKRZ4VP3 · pith_short_8: X6BS6M3O

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/X6BS6M3OHKRZ4VP3QL7F646FOZ \
  | 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: bf832f336e3aa39e55fb82fe5f73c5766d132f3f880307ffa73f7845d83000cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "464bcb3997463907c280bfcd93e42397238b956d8fc57605c05cd9ec0e11154d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-05-18T15:55:38Z",
    "title_canon_sha256": "3c2e9f84a898e78b5c235affb4816319cbc8ef94f76b0c3e1097d5d5c52f6a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2919",
    "kind": "arxiv",
    "version": 1
  }
}