Pith Number

pith:JQ5HEOLR

pith:2013:JQ5HEOLRKXNIQADA5FVRUT4D6M

not attested not anchored not stored refs pending

Learning Universally Quantified Invariants of Linear Data Structures

Christof Loding, Daniel Neider, P. Madhusudan, Pranav Garg

arxiv:1302.2273 v1 · 2013-02-09 · cs.PL · cs.FL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQ5HEOLRKXNIQADA5FVRUT4D6M}

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	2026-05-18T03:34:01.805078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c3a72397155da880060e96b1a4f83f30c5fc69271730df1f96746649b9c3af9

Aliases

arxiv: 1302.2273 · arxiv_version: 1302.2273v1 · doi: 10.48550/arxiv.1302.2273 · pith_short_12: JQ5HEOLRKXNI · pith_short_16: JQ5HEOLRKXNIQADA · pith_short_8: JQ5HEOLR

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/JQ5HEOLRKXNIQADA5FVRUT4D6M \
  | 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: 4c3a72397155da880060e96b1a4f83f30c5fc69271730df1f96746649b9c3af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a174a06aab19a8efdd9d89b38dc903591f89595ea78421fc5f57aa9999c8de4e",
    "cross_cats_sorted": [
      "cs.FL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-02-09T21:41:03Z",
    "title_canon_sha256": "30fcd5f928e31ca24682cfdaeeeaca6f2d730a6faded274b39ec5328c4469759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2273",
    "kind": "arxiv",
    "version": 1
  }
}