Pith Number

pith:4S4PHOZJ

pith:2015:4S4PHOZJCVXCHRCZEUIVNVKIFP

not attested not anchored not stored refs pending

On Unification Modulo One-Sided Distributivity: Algorithms, Variants and Asymmetry

Andrew M Marshall (The University of Mary Washington), Catherine Meadows (U.S. Naval Research Laboratory), Paliath Narendran (University at Albany, SUNY)

arxiv:1503.06687 v2 · 2015-03-23 · 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{4S4PHOZJCVXCHRCZEUIVNVKIFP}

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	2026-05-18T00:53:10.842701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b8f3bb29156e23c459251156d5482bef162513701f8e6072d48613d4d57ee4

Aliases

arxiv: 1503.06687 · arxiv_version: 1503.06687v2 · doi: 10.48550/arxiv.1503.06687 · pith_short_12: 4S4PHOZJCVXC · pith_short_16: 4S4PHOZJCVXCHRCZ · pith_short_8: 4S4PHOZJ

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/4S4PHOZJCVXCHRCZEUIVNVKIFP \
  | 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: e4b8f3bb29156e23c459251156d5482bef162513701f8e6072d48613d4d57ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08644d7537d2a417ca40a0845bf82814c09fd52bb1d20056bd14322ad6948f12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-03-23T15:28:19Z",
    "title_canon_sha256": "b64748a652de55dd109637bab5800cdef91677927643406eb5f716bcf9e6ff8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06687",
    "kind": "arxiv",
    "version": 2
  }
}