Pith Number

pith:TT6GDJWP

pith:2005:TT6GDJWPIIUNRZ2VADMD2BI2P3

not attested not anchored not stored refs pending

The Complexity of Computing the Size of an Interval

Christopher M. Homan, Klaus W. Wagner, Lane A. Hemaspaandra, Sven Kosub

arxiv:cs/0502058 v2 · 2005-02-13 · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TT6GDJWPIIUNRZ2VADMD2BI2P3}

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	2026-05-18T01:06:49.188714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cfc61a6cf4228d8e75500d83d051a7efd5a334b11419fba2d3c314c48e23857

Aliases

arxiv: cs/0502058 · arxiv_version: cs/0502058v2 · doi: 10.48550/arxiv.cs/0502058 · pith_short_12: TT6GDJWPIIUN · pith_short_16: TT6GDJWPIIUNRZ2V · pith_short_8: TT6GDJWP

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/TT6GDJWPIIUNRZ2VADMD2BI2P3 \
  | 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: 9cfc61a6cf4228d8e75500d83d051a7efd5a334b11419fba2d3c314c48e23857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a83976682d3f0d76d70831899f3c430491b8a135bfc7ac61f921782edd05b0d9",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.CC",
    "submitted_at": "2005-02-13T15:24:30Z",
    "title_canon_sha256": "7144dfde9c3837d4a20d0855988af2b9286025f50335089406c2f31c7ebf221e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0502058",
    "kind": "arxiv",
    "version": 2
  }
}