Pith Number

pith:MZJOJWTT

pith:2021:MZJOJWTT5E6PSSTE27XOZG4QOD

not attested not anchored not stored refs pending

Polynomial Graph Parsing with Non-Structural Reentrancies

Anna Jonsson, Frank Drewes, Johanna Bj\"orklund

arxiv:2105.02033 v3 · 2021-05-05 · cs.FL · cs.CL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZJOJWTT5E6PSSTE27XOZG4QOD}

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	2026-07-05T02:38:18.960029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6652e4da73e93cf94a64d7eeec9b9070eb47ed2cf11543270be8e729eccb2684

Aliases

arxiv: 2105.02033 · arxiv_version: 2105.02033v3 · doi: 10.48550/arxiv.2105.02033 · pith_short_12: MZJOJWTT5E6P · pith_short_16: MZJOJWTT5E6PSSTE · pith_short_8: MZJOJWTT

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/MZJOJWTT5E6PSSTE27XOZG4QOD \
  | 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: 6652e4da73e93cf94a64d7eeec9b9070eb47ed2cf11543270be8e729eccb2684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c212c5c9da639376effbbfe7c78a222cf6b693d8c4eaf44cc9ae80f384c74c37",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2021-05-05T13:05:01Z",
    "title_canon_sha256": "e055c029a72d4712782bc71662619f841aff1b76bb7a9ea98031cf9fd53399ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02033",
    "kind": "arxiv",
    "version": 3
  }
}