Pith Number

pith:H5SBE3UA

pith:2019:H5SBE3UAWKULTDG73BGPECILB7

not attested not anchored not stored refs pending

On Modelling the Avoidability of Patterns as CSP

Dirk Nowotka, Florin Manea, Kamellia Reshadi, Thorsten Ehlers

arxiv:1906.00715 v1 · 2019-06-03 · cs.FL · cs.LO · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5SBE3UAWKULTDG73BGPECILB7}

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	2026-05-17T23:44:24.094381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f64126e80b2a8b98cdfd84cf2090b0fcf76a2a895803228ca9762bec62763cd

Aliases

arxiv: 1906.00715 · arxiv_version: 1906.00715v1 · doi: 10.48550/arxiv.1906.00715 · pith_short_12: H5SBE3UAWKUL · pith_short_16: H5SBE3UAWKULTDG7 · pith_short_8: H5SBE3UA

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/H5SBE3UAWKULTDG73BGPECILB7 \
  | 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: 3f64126e80b2a8b98cdfd84cf2090b0fcf76a2a895803228ca9762bec62763cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6ccd66f18604c112392fe1a7b5ed9c02f20de59888f790d2d7a072915f8e54e",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-06-03T11:32:34Z",
    "title_canon_sha256": "9ed9ba04431ed5b3bf73d51b42a179b1e7afa9d8965bf94e6a44d125f19bc007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00715",
    "kind": "arxiv",
    "version": 1
  }
}