Pith Number

pith:DPQBRLP4

pith:2018:DPQBRLP4UZIIDUU7PP7R27GQRY

not attested not anchored not stored refs pending

A Set-Theoretic Framework for Parallel Graph Rewriting

Rachid Echahed, Thierry Boy de la Tour

arxiv:1808.03161 v1 · 2018-08-09 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPQBRLP4UZIIDUU7PP7R27GQRY}

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	2026-05-18T00:08:30.037732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be018adfca65081d29f7bff1d7cd08e1b05f14572217f68d8d6d259ea3c4fea

Aliases

arxiv: 1808.03161 · arxiv_version: 1808.03161v1 · doi: 10.48550/arxiv.1808.03161 · pith_short_12: DPQBRLP4UZII · pith_short_16: DPQBRLP4UZIIDUU7 · pith_short_8: DPQBRLP4

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/DPQBRLP4UZIIDUU7PP7R27GQRY \
  | 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: 1be018adfca65081d29f7bff1d7cd08e1b05f14572217f68d8d6d259ea3c4fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b77ea87a3e6d3fdd07cd9c350160e821f7336b8263f25adcfcf5f2946f67863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-08-09T13:49:33Z",
    "title_canon_sha256": "be7938b1e96c4046e9adf4f820cf074f9c84aa97333b3b742bbfd7cac38e5245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03161",
    "kind": "arxiv",
    "version": 1
  }
}