Pith Number

pith:6QX3I2LZ

pith:2012:6QX3I2LZLYJVP4QRE2U3UX6OWW

not attested not anchored not stored refs pending

Optimal Lempel-Ziv based lossy compression for memoryless data: how to make the right mistakes

Dharmendra Modha, Narayana Santhanam

arxiv:1210.4700 v2 · 2012-10-17 · 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{6QX3I2LZLYJVP4QRE2U3UX6OWW}

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	2026-05-18T03:42:55.624955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42fb469795e1357f21126a9ba5fceb5b275200208d864655682abcc8c7372f0

Aliases

arxiv: 1210.4700 · arxiv_version: 1210.4700v2 · doi: 10.48550/arxiv.1210.4700 · pith_short_12: 6QX3I2LZLYJV · pith_short_16: 6QX3I2LZLYJVP4QR · pith_short_8: 6QX3I2LZ

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/6QX3I2LZLYJVP4QRE2U3UX6OWW \
  | 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: f42fb469795e1357f21126a9ba5fceb5b275200208d864655682abcc8c7372f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f46e2d657c44d2ef1acea53e77c8ccc1c2efb400b7867313cf89f91b84de6d0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-17T11:30:12Z",
    "title_canon_sha256": "4be8c7b20a9c5450b8cf5ae51ffaaac74d23e9f91624d17626e4b97cff447241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4700",
    "kind": "arxiv",
    "version": 2
  }
}