Pith Number

pith:3MHJJM57

pith:2006:3MHJJM575DCKOMRSBPBSTTGPGX

not attested not anchored not stored refs pending

On Conditional Branches in Optimal Search Trees

Michael B. Baer

arxiv:cs/0604016 v2 · 2006-04-06 · cs.PF · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3MHJJM575DCKOMRSBPBSTTGPGX}

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	2026-07-04T14:54:26.603387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0e94b3bfe8c4a732320bc329cccf35d0d77512e8a3ed11eb9514e58badc220

Aliases

arxiv: cs/0604016 · arxiv_version: cs/0604016v2 · doi: 10.48550/arxiv.cs/0604016 · pith_short_12: 3MHJJM575DCK · pith_short_16: 3MHJJM575DCKOMRS · pith_short_8: 3MHJJM57

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/3MHJJM575DCKOMRSBPBSTTGPGX \
  | 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: db0e94b3bfe8c4a732320bc329cccf35d0d77512e8a3ed11eb9514e58badc220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad746b9e5f6644f95798fe301b89f1f33770383e7053444be2b660f1d91588d",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IR"
    ],
    "license": "",
    "primary_cat": "cs.PF",
    "submitted_at": "2006-04-06T00:54:44Z",
    "title_canon_sha256": "963385d54d5221f9cc20cecea3f4cd20e172ba7208bfa84900dc43df5ce628c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0604016",
    "kind": "arxiv",
    "version": 2
  }
}