Pith Number

pith:PPVKBIT2

pith:2008:PPVKBIT2VO46SO4D6DLB3U3BYW

not attested not anchored not stored refs pending

Nondiscriminatory Propagation on Trees

Simone Severini

arxiv:0805.0181 v1 · 2008-05-02 · math.CO · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPVKBIT2VO46SO4D6DLB3U3BYW}

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	2026-05-18T03:13:22.240286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7beaa0a27aabb9e93b83f0d61dd361c5a7598b318349dabd5f66ef0956c7eb8d

Aliases

arxiv: 0805.0181 · arxiv_version: 0805.0181v1 · doi: 10.48550/arxiv.0805.0181 · pith_short_12: PPVKBIT2VO46 · pith_short_16: PPVKBIT2VO46SO4D · pith_short_8: PPVKBIT2

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/PPVKBIT2VO46SO4D6DLB3U3BYW \
  | 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: 7beaa0a27aabb9e93b83f0d61dd361c5a7598b318349dabd5f66ef0956c7eb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41253cc4bd1c306c2ca3ecf92a6b7853bfac6dbd36bde83bf6fbbe874b571248",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-05-02T15:30:45Z",
    "title_canon_sha256": "04d98603f479ff904963a397f2dd4b369577d20e1f61781c2fe8bc119d7ee7d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.0181",
    "kind": "arxiv",
    "version": 1
  }
}