Pith Number

pith:RMNO2TH4

pith:2011:RMNO2TH442GAJJD7I3Y5TO7X7Q

not attested not anchored not stored refs pending

Critical Data Compression

John Scoville

arxiv:1112.5493 v1 · 2011-12-23 · cs.IT · cs.AI · cs.MM · 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{RMNO2TH442GAJJD7I3Y5TO7X7Q}

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	2026-05-18T04:05:46.649287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b1aed4cfce68c04a47f46f1d9bbf7fc1d525fa73b9a905af72e6e8478629d66

Aliases

arxiv: 1112.5493 · arxiv_version: 1112.5493v1 · doi: 10.48550/arxiv.1112.5493 · pith_short_12: RMNO2TH442GA · pith_short_16: RMNO2TH442GAJJD7 · pith_short_8: RMNO2TH4

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/RMNO2TH442GAJJD7I3Y5TO7X7Q \
  | 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: 8b1aed4cfce68c04a47f46f1d9bbf7fc1d525fa73b9a905af72e6e8478629d66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3960ee3731e2843308354284af0dbf6fdbe14664d6105e9492527bcf6dce65fe",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-23T00:17:46Z",
    "title_canon_sha256": "ab63bd9642771e03995014b5167bb11ee62575bce6a170eeecb851a1e4363f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5493",
    "kind": "arxiv",
    "version": 1
  }
}