Pith Number

pith:4BER5F6V

pith:2025:4BER5F6VKNNGVKMR6X2GO6KEDA

not attested not anchored not stored refs pending

Weighted Rewriting: Semiring Semantics for Abstract Reduction Systems

Emma Ahrens, Jan-Christoph Kassing, Joost-Pieter Katoen, J\"urgen Giesl

arxiv:2505.08496 v1 · 2025-05-13 · 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{4BER5F6VKNNGVKMR6X2GO6KEDA}

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	2026-07-05T11:02:31.257730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0491e97d5535a6aa991f5f46779441828a0187de27d41c6025021d978f139af

Aliases

arxiv: 2505.08496 · arxiv_version: 2505.08496v1 · doi: 10.48550/arxiv.2505.08496 · pith_short_12: 4BER5F6VKNNG · pith_short_16: 4BER5F6VKNNGVKMR · pith_short_8: 4BER5F6V

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/4BER5F6VKNNGVKMR6X2GO6KEDA \
  | 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: e0491e97d5535a6aa991f5f46779441828a0187de27d41c6025021d978f139af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f535d3e06dd70f8791d927a7a4620303e752a33f489ce4ce5c58f29bd6eec081",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-05-13T12:24:38Z",
    "title_canon_sha256": "5ae4375c163c29c10158f408b1d97c5370981006683d14a65858e09a2b885e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08496",
    "kind": "arxiv",
    "version": 1
  }
}