Pith Number

pith:NQDNP7DX

pith:2017:NQDNP7DXWPKHN4ISACZVDZGSZ2

not attested not anchored not stored refs pending

Graph-Based Shape Analysis Beyond Context-Freeness

Christina Jansen, Christoph Matheja, Hannah Arndt, Thomas Noll

arxiv:1705.03754 v3 · 2017-05-10 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQDNP7DXWPKHN4ISACZVDZGSZ2}

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	2026-05-18T00:18:04.126950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c06d7fc77b3d476f11200b351e4d2cea38a83d91b07cee474b4db91b5d86a01

Aliases

arxiv: 1705.03754 · arxiv_version: 1705.03754v3 · doi: 10.48550/arxiv.1705.03754 · pith_short_12: NQDNP7DXWPKH · pith_short_16: NQDNP7DXWPKHN4IS · pith_short_8: NQDNP7DX

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/NQDNP7DXWPKHN4ISACZVDZGSZ2 \
  | 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: 6c06d7fc77b3d476f11200b351e4d2cea38a83d91b07cee474b4db91b5d86a01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5ec4e5db64711015721c85e8746be7d1ff86036215df60c20e0c3b457f4e32b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-05-10T13:26:31Z",
    "title_canon_sha256": "e8ffc60da578251dee05e352c0d8d72fa94658d56be6d41c935cc85fcf9d8f7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03754",
    "kind": "arxiv",
    "version": 3
  }
}