Pith Number

pith:CLCSZH6D

pith:2010:CLCSZH6DGBZ3XUEVRRWFABJEC2

not attested not anchored not stored refs pending

CRAM: Compressed Random Access Memory

Jesper Jansson, Kunihiko Sadakane, Wing-Kin Sung

arxiv:1011.1708 v2 · 2010-11-08 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLCSZH6DGBZ3XUEVRRWFABJEC2}

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	2026-05-18T02:23:37.399116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c52c9fc33073bbd0958c6c500524168f7913bc3cea926065802dd35cc4248d

Aliases

arxiv: 1011.1708 · arxiv_version: 1011.1708v2 · doi: 10.48550/arxiv.1011.1708 · pith_short_12: CLCSZH6DGBZ3 · pith_short_16: CLCSZH6DGBZ3XUEV · pith_short_8: CLCSZH6D

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/CLCSZH6DGBZ3XUEVRRWFABJEC2 \
  | 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: 12c52c9fc33073bbd0958c6c500524168f7913bc3cea926065802dd35cc4248d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c098902bd148661fdcf13ec98ac6f8226d87de1c8f4ebc18d3767b23438d2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-11-08T04:10:42Z",
    "title_canon_sha256": "19bbb0ce5b478d27c23154d5d1a1a460dff67d091ab5b95a66934f3a1da26ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1708",
    "kind": "arxiv",
    "version": 2
  }
}