Pith Number

pith:QX77FJFZ

pith:2013:QX77FJFZQP3NUJFHRXY5N22SAH

not attested not anchored not stored refs pending

Fast Autocorrelated Context Models for Data Compression

John Scoville

arxiv:1305.5486 v2 · 2013-05-23 · cs.IT · 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{QX77FJFZQP3NUJFHRXY5N22SAH}

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	2026-05-18T03:21:23.309805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85fff2a4b983f6da24a78df1d6eb5201e352ff7c644f10c674b4f8567840856c

Aliases

arxiv: 1305.5486 · arxiv_version: 1305.5486v2 · doi: 10.48550/arxiv.1305.5486 · pith_short_12: QX77FJFZQP3N · pith_short_16: QX77FJFZQP3NUJFH · pith_short_8: QX77FJFZ

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/QX77FJFZQP3NUJFHRXY5N22SAH \
  | 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: 85fff2a4b983f6da24a78df1d6eb5201e352ff7c644f10c674b4f8567840856c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "320b7806b614b1971923b66e6c6e42e0b1d8c522933fd142d2f5cd88b95d23be",
    "cross_cats_sorted": [
      "cs.MM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-23T17:11:39Z",
    "title_canon_sha256": "a0e9b6dd268cb7fc1fc0460099604494e1029ce5355afebb617ae355f7086bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5486",
    "kind": "arxiv",
    "version": 2
  }
}