Pith Number

pith:KDWSBANV

pith:2011:KDWSBANVBFKE45I6IQRMHRMZ4N

not attested not anchored not stored refs pending

An implementation of range trees with fractional cascading in C++

Vissarion Fisikopoulos

arxiv:1103.4521 v1 · 2011-03-23 · cs.DS · cs.CG · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDWSBANVBFKE45I6IQRMHRMZ4N}

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	2026-05-18T04:26:01.862928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ed2081b509544e751e4422c3c599e365ce1d4dc217f74469f80b3fce52acca

Aliases

arxiv: 1103.4521 · arxiv_version: 1103.4521v1 · doi: 10.48550/arxiv.1103.4521 · pith_short_12: KDWSBANVBFKE · pith_short_16: KDWSBANVBFKE45I6 · pith_short_8: KDWSBANV

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/KDWSBANVBFKE45I6IQRMHRMZ4N \
  | 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: 50ed2081b509544e751e4422c3c599e365ce1d4dc217f74469f80b3fce52acca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3367eb526c7f90bc140251dc4ad0de13d17893ab90a809dac095328a6de3e721",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-03-23T13:57:18Z",
    "title_canon_sha256": "8bae396514be8484e29f31f9d16181218435d73b64a2c52b00fe6d262ffcdbc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4521",
    "kind": "arxiv",
    "version": 1
  }
}