Pith Number

pith:UUOGTCQ4

pith:2025:UUOGTCQ4WI5LCSDKLLB72TY67E

not attested not anchored not stored refs pending

Nominal Equational Narrowing: Rewriting for Unification in Languages with Binders

Daniele Nantes-Sobrinho, Daniella Santaguida, Maribel Fern\'andez

arxiv:2505.14895 v1 · 2025-05-20 · 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{UUOGTCQ4WI5LCSDKLLB72TY67E}

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	2026-07-05T11:06:37.043587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a51c698a1cb23ab1486a5ac3fd4f1ef904e98fc8a50569e19617c709557d9bff

Aliases

arxiv: 2505.14895 · arxiv_version: 2505.14895v1 · doi: 10.48550/arxiv.2505.14895 · pith_short_12: UUOGTCQ4WI5L · pith_short_16: UUOGTCQ4WI5LCSDK · pith_short_8: UUOGTCQ4

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/UUOGTCQ4WI5LCSDKLLB72TY67E \
  | 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: a51c698a1cb23ab1486a5ac3fd4f1ef904e98fc8a50569e19617c709557d9bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0496f5e3dc7f3c3b867ac44072341b86bf979512b043c3311fd8f0f78995c211",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-05-20T20:40:55Z",
    "title_canon_sha256": "c34454df06468649d3d65ebcf29719314fea932c33169d0c0dc6e0dde587bd3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14895",
    "kind": "arxiv",
    "version": 1
  }
}