Pith Number

pith:FWQWCEZ7

pith:2014:FWQWCEZ767QZ6ATM7242ISX77I

not attested not anchored not stored refs pending

A weight-distribution bound for entropy extractors using linear binary codes

Alessandro Tomasi, Alessio Meneghetti, Massimiliano Sala

arxiv:1405.2820 v1 · 2014-05-12 · cs.IT · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWQWCEZ767QZ6ATM7242ISX77I}

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	2026-05-18T02:52:04.727834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da161133ff7e19f026cfeb9a44afffa27813b7b4d5246311e67e0ffc1075509

Aliases

arxiv: 1405.2820 · arxiv_version: 1405.2820v1 · doi: 10.48550/arxiv.1405.2820 · pith_short_12: FWQWCEZ767QZ · pith_short_16: FWQWCEZ767QZ6ATM · pith_short_8: FWQWCEZ7

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/FWQWCEZ767QZ6ATM7242ISX77I \
  | 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: 2da161133ff7e19f026cfeb9a44afffa27813b7b4d5246311e67e0ffc1075509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42818514bb53f8b90ff8493ce585416dc96b26092807fbee62242a8c277fa4e9",
    "cross_cats_sorted": [
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-12T16:11:15Z",
    "title_canon_sha256": "88ef8df2d6392d142a0d59ef0a112da61a20f6a54b18b858b74506ba5d1315ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2820",
    "kind": "arxiv",
    "version": 1
  }
}