Pith Number

pith:G5PFWRBD

pith:2018:G5PFWRBDSQBU4YIBW3RJYJPVJF

not attested not anchored not stored refs pending

XML Navigation and Transformation by Tree-Walking Automata and Transducers with Visible and Invisible Pebbles

Bart Samwel, Hendrik Jan Hoogeboom, Joost Engelfriet

arxiv:1809.05730 v1 · 2018-09-15 · 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{G5PFWRBDSQBU4YIBW3RJYJPVJF}

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	2026-05-18T00:05:36.702704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

375e5b442394034e6101b6e29c25f549794861111096fbcef9c8b56f2426974b

Aliases

arxiv: 1809.05730 · arxiv_version: 1809.05730v1 · doi: 10.48550/arxiv.1809.05730 · pith_short_12: G5PFWRBDSQBU · pith_short_16: G5PFWRBDSQBU4YIB · pith_short_8: G5PFWRBD

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/G5PFWRBDSQBU4YIBW3RJYJPVJF \
  | 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: 375e5b442394034e6101b6e29c25f549794861111096fbcef9c8b56f2426974b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "391216653fbfde3c3d8760c2322368197105b9c883dd359a184dec088feff5f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-09-15T15:30:39Z",
    "title_canon_sha256": "56bfaef077bdea892ad9be37696c6580380598b71722fb32f5f7914d2edd79dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05730",
    "kind": "arxiv",
    "version": 1
  }
}