Pith Number

pith:XTWNT3XA

pith:2013:XTWNT3XAZS2BLCFEJODOKGI6I2

not attested not anchored not stored refs pending

The Fitness Level Method with Tail Bounds

Carsten Witt

arxiv:1307.4274 v1 · 2013-07-16 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTWNT3XAZS2BLCFEJODOKGI6I2}

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	2026-05-18T03:18:19.249121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcecd9eee0ccb41588a44b86e5191e46b7a40520b3852d2aa074241b7cef02f1

Aliases

arxiv: 1307.4274 · arxiv_version: 1307.4274v1 · doi: 10.48550/arxiv.1307.4274 · pith_short_12: XTWNT3XAZS2B · pith_short_16: XTWNT3XAZS2BLCFE · pith_short_8: XTWNT3XA

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/XTWNT3XAZS2BLCFEJODOKGI6I2 \
  | 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: bcecd9eee0ccb41588a44b86e5191e46b7a40520b3852d2aa074241b7cef02f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e115fda327b7bdae3294b575807255c03c952b90953e515981265a3955e588af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-07-16T13:45:24Z",
    "title_canon_sha256": "00da3bc30568b8fb6820ecfc3c8b3bfeed69c1efc6dc5c3b4107ea53f75e0171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4274",
    "kind": "arxiv",
    "version": 1
  }
}