Pith Number

pith:RDZYLF4Y

pith:2013:RDZYLF4YEU6GG7VGCDQXC6F3UC

not attested not anchored not stored refs pending

Codes for Tasks and R\'enyi Entropy Rate

Amos Lapidoth, Christoph Bunte

arxiv:1312.3735 v2 · 2013-12-13 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDZYLF4YEU6GG7VGCDQXC6F3UC}

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	2026-05-18T02:41:08.792739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88f3859798253c637ea610e17178bba0b2049161ce19dd1a6495602dd223dd2d

Aliases

arxiv: 1312.3735 · arxiv_version: 1312.3735v2 · doi: 10.48550/arxiv.1312.3735 · pith_short_12: RDZYLF4YEU6G · pith_short_16: RDZYLF4YEU6GG7VG · pith_short_8: RDZYLF4Y

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/RDZYLF4YEU6GG7VGCDQXC6F3UC \
  | 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: 88f3859798253c637ea610e17178bba0b2049161ce19dd1a6495602dd223dd2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feee12ef12a0788ae1b992b95872bf0a96de754a7a858fad189890d2e1581a16",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-13T09:09:01Z",
    "title_canon_sha256": "be61858fa83dd36fa41deb723c4ef3be75511dcf83535313ed67d4c5fc89d3ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3735",
    "kind": "arxiv",
    "version": 2
  }
}