Pith Number

pith:L7VH5NKU

pith:2012:L7VH5NKUVAJNXP7MI33L5IZ5WB

not attested not anchored not stored refs pending

Reducing a Target Interval to a Few Exact Queries

Erik Jan van Leeuwen, Jesper Nederlof, Ruben van der Zwaan

arxiv:1208.4225 v1 · 2012-08-21 · 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{L7VH5NKUVAJNXP7MI33L5IZ5WB}

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	2026-05-18T03:48:24.075875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fea7eb554a812dbbfec46f6bea33db0677ccb85d920f43985e1c5241b67bb4f

Aliases

arxiv: 1208.4225 · arxiv_version: 1208.4225v1 · doi: 10.48550/arxiv.1208.4225 · pith_short_12: L7VH5NKUVAJN · pith_short_16: L7VH5NKUVAJNXP7M · pith_short_8: L7VH5NKU

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/L7VH5NKUVAJNXP7MI33L5IZ5WB \
  | 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: 5fea7eb554a812dbbfec46f6bea33db0677ccb85d920f43985e1c5241b67bb4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32eed101f976100bfc41406430c3cc380bb8cb1f35dbdbfeb87d2752fc4117d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-08-21T09:28:50Z",
    "title_canon_sha256": "65b1d23074139ce147fc699825eb09d27d557b15780ee56eddeb9ac24ea916b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4225",
    "kind": "arxiv",
    "version": 1
  }
}