Pith Number

pith:PJIPWB6U

pith:2011:PJIPWB6UJDV54W5RAKH6LFE7JQ

not attested not anchored not stored refs pending

On Dynamic Optimality for Binary Search Trees

Manoj Gupta, Navin Goyal

arxiv:1102.4523 v1 · 2011-02-22 · 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{PJIPWB6UJDV54W5RAKH6LFE7JQ}

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	2026-05-18T04:28:08.713959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a50fb07d448ebde5bb1028fe5949f4c1154eda71f7f3ddd2e6b59db3f46fe4f

Aliases

arxiv: 1102.4523 · arxiv_version: 1102.4523v1 · doi: 10.48550/arxiv.1102.4523 · pith_short_12: PJIPWB6UJDV5 · pith_short_16: PJIPWB6UJDV54W5R · pith_short_8: PJIPWB6U

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/PJIPWB6UJDV54W5RAKH6LFE7JQ \
  | 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: 7a50fb07d448ebde5bb1028fe5949f4c1154eda71f7f3ddd2e6b59db3f46fe4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b3629927a4f411b2454f05aa7c4cbe37d6340b9c3839d442727223ac468ccf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-22T14:47:19Z",
    "title_canon_sha256": "d9c9d128e925796dc3335edc9de9969c769559220b51abe436c322bc63f62290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4523",
    "kind": "arxiv",
    "version": 1
  }
}