Pith Number

pith:7ZVFNTWN

pith:2015:7ZVFNTWNFU6UGNU4TBAR5K2WJJ

not attested not anchored not stored refs pending

Root-Weighted Tree Automata and their Applications to Tree Kernels

Djelloul Ziadi, Ludovic Mignot, Nadia Ouali-Sebti

arxiv:1501.03895 v1 · 2015-01-16 · 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{7ZVFNTWNFU6UGNU4TBAR5K2WJJ}

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	2026-05-18T02:29:16.801410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6a56cecd2d3d43369c98411eab564a7983602e970ece6f66297069e4aaef7f

Aliases

arxiv: 1501.03895 · arxiv_version: 1501.03895v1 · doi: 10.48550/arxiv.1501.03895 · pith_short_12: 7ZVFNTWNFU6U · pith_short_16: 7ZVFNTWNFU6UGNU4 · pith_short_8: 7ZVFNTWN

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/7ZVFNTWNFU6UGNU4TBAR5K2WJJ \
  | 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: fe6a56cecd2d3d43369c98411eab564a7983602e970ece6f66297069e4aaef7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc35fdc68bfcc49e0fd46cc3dab657713d27c944106ce8f17cb4df0c031b2ba7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-01-16T07:22:22Z",
    "title_canon_sha256": "44b33c579a7b9fb3727ce7d86282315df9fec0d2e26a8488954ee1168e9af819"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03895",
    "kind": "arxiv",
    "version": 1
  }
}