Pith Number

pith:SQODSCMD

pith:2011:SQODSCMDGODFAWNRHQOYM75CYI

not attested not anchored not stored refs pending

Parallel Recursive State Compression for Free

Alfons Laarman, Jaco van de Pol, Michael Weber

arxiv:1104.3119 v2 · 2011-04-15 · 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{SQODSCMDGODFAWNRHQOYM75CYI}

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	2026-05-18T04:22:02.044740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941c39098333865059b13c1d867fa2c2349cd1440ed4b9d5aad371079732a431

Aliases

arxiv: 1104.3119 · arxiv_version: 1104.3119v2 · doi: 10.48550/arxiv.1104.3119 · pith_short_12: SQODSCMDGODF · pith_short_16: SQODSCMDGODFAWNR · pith_short_8: SQODSCMD

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/SQODSCMDGODFAWNRHQOYM75CYI \
  | 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: 941c39098333865059b13c1d867fa2c2349cd1440ed4b9d5aad371079732a431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14ef13e708d810908effb675973c7c9e70faa3c0aa9a4366f54fdc2239df9259",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-04-15T17:59:12Z",
    "title_canon_sha256": "8f24be284d824d1ebd8ffe82ed9704d34341eeb71073fa8146a89e83a7866f60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3119",
    "kind": "arxiv",
    "version": 2
  }
}