Pith Number

pith:HKUNPOI7

pith:2018:HKUNPOI7FTWUYCJIFZLMFSHJ3F

not attested not anchored not stored refs pending

Finding the seed of uniform attachment trees

Alan S. Pereira, Gabor Lugosi

arxiv:1801.01816 v1 · 2018-01-05 · 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{HKUNPOI7FTWUYCJIFZLMFSHJ3F}

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	2026-05-18T00:26:40.904263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa8d7b91f2ced4c09282e56c2c8e9d95897c6e480b4fb4d544bc16d6289de44

Aliases

arxiv: 1801.01816 · arxiv_version: 1801.01816v1 · doi: 10.48550/arxiv.1801.01816 · pith_short_12: HKUNPOI7FTWU · pith_short_16: HKUNPOI7FTWUYCJI · pith_short_8: HKUNPOI7

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/HKUNPOI7FTWUYCJIFZLMFSHJ3F \
  | 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: 3aa8d7b91f2ced4c09282e56c2c8e9d95897c6e480b4fb4d544bc16d6289de44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587bac936d4c772f2b1b77db4f668afbe435b1b0a2e451677a025b81d54c3eff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-01-05T16:14:27Z",
    "title_canon_sha256": "5370e47107454e4efbf5d29e83131da8281bfdf0f36d819e79a3665800cfdd12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01816",
    "kind": "arxiv",
    "version": 1
  }
}