Pith Number

pith:BZAKWMTJ

pith:2006:BZAKWMTJKK7XCP6SZ4V63IT6OT

not attested not anchored not stored refs pending

Twenty (or so) Questions: $D$-ary Length-Bounded Prefix Coding

Michael B. Baer

arxiv:cs/0602085 v4 · 2006-02-25 · cs.IT · cs.DS · 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{BZAKWMTJKK7XCP6SZ4V63IT6OT}

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	2026-07-04T15:02:51.258721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e40ab326952bf713fd2cf2beda27e74eff8b29225fbb0ee51ceddfd46705ddf

Aliases

arxiv: cs/0602085 · arxiv_version: cs/0602085v4 · doi: 10.48550/arxiv.cs/0602085 · pith_short_12: BZAKWMTJKK7X · pith_short_16: BZAKWMTJKK7XCP6S · pith_short_8: BZAKWMTJ

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/BZAKWMTJKK7XCP6SZ4V63IT6OT \
  | 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: 0e40ab326952bf713fd2cf2beda27e74eff8b29225fbb0ee51ceddfd46705ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ae3af4a5eefcb0d5f93c8c9a593ebca646a01625f302e9cf490a7ed3df9d517",
    "cross_cats_sorted": [
      "cs.DS",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2006-02-25T19:09:11Z",
    "title_canon_sha256": "8d9bd8f468fcf66b2aaf6141a7d0e69dd2684ac89810580488d25f6a34422d7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602085",
    "kind": "arxiv",
    "version": 4
  }
}