Pith Number

pith:NTARKWQ3

pith:2011:NTARKWQ3ZTXORB6TCD5N2SV4NJ

not attested not anchored not stored refs pending

Hierarchical Heavy Hitters with the Space Saving Algorithm

Justin Thaler, Michael Mitzenmacher, Thomas Steinke

arxiv:1102.5540 v2 · 2011-02-27 · 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{NTARKWQ3ZTXORB6TCD5N2SV4NJ}

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	2026-05-18T04:15:59.387140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc1155a1bcceee887d310fadd4abc6a74da7fd9c56a69e2af67dcb144447ed0

Aliases

arxiv: 1102.5540 · arxiv_version: 1102.5540v2 · doi: 10.48550/arxiv.1102.5540 · pith_short_12: NTARKWQ3ZTXO · pith_short_16: NTARKWQ3ZTXORB6T · pith_short_8: NTARKWQ3

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/NTARKWQ3ZTXORB6TCD5N2SV4NJ \
  | 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: 6cc1155a1bcceee887d310fadd4abc6a74da7fd9c56a69e2af67dcb144447ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3610f6d16a2e5fbbc3a25f00916b4c761eb24ab693faf35f56869744ce4f1fa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-27T19:31:05Z",
    "title_canon_sha256": "73b904828fca3ec82ee82e9e892a87328b29dd9289ec16fa46dcfd988368fe75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5540",
    "kind": "arxiv",
    "version": 2
  }
}