Pith Number

pith:LFLFBBNL

pith:2015:LFLFBBNLURYC7EYIO2MRXZAEF7

not attested not anchored not stored refs pending

Rewriting Higher-Order Stack Trees

Vincent Penelle

arxiv:1502.04653 v1 · 2015-02-16 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFLFBBNLURYC7EYIO2MRXZAEF7}

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	2026-05-18T02:26:59.416893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59565085aba4702f930876991be4042feac23f08227fbb4bb697a49f1b6fbad7

Aliases

arxiv: 1502.04653 · arxiv_version: 1502.04653v1 · doi: 10.48550/arxiv.1502.04653 · pith_short_12: LFLFBBNLURYC · pith_short_16: LFLFBBNLURYC7EYI · pith_short_8: LFLFBBNL

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/LFLFBBNLURYC7EYIO2MRXZAEF7 \
  | 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: 59565085aba4702f930876991be4042feac23f08227fbb4bb697a49f1b6fbad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8241b7cdfad8fddce0983bfba1d11741fc4be4e10af41e80efb5e3e534bba4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-02-16T18:17:14Z",
    "title_canon_sha256": "379783c6bcc811aa419d1eeefffef73e3d1e257c980517ff5c22310467ff55fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04653",
    "kind": "arxiv",
    "version": 1
  }
}