Pith Number

pith:LPTCHLAQ

pith:2017:LPTCHLAQ7TCIW6NLTQBLABSICT

not attested not anchored not stored refs pending

Automated Refactoring of Nested-IF Formulae in Spreadsheets

Dan Hao, Dongmei Zhang, Jie Zhang, Lu Zhang, Shi Han

arxiv:1712.09797 v1 · 2017-12-28 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPTCHLAQ7TCIW6NLTQBLABSICT}

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	2026-05-18T00:27:05.526614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be623ac10fcc48b79ab9c02b0064814ee081e920b873bda1a7784645aec643b

Aliases

arxiv: 1712.09797 · arxiv_version: 1712.09797v1 · doi: 10.48550/arxiv.1712.09797 · pith_short_12: LPTCHLAQ7TCI · pith_short_16: LPTCHLAQ7TCIW6NL · pith_short_8: LPTCHLAQ

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/LPTCHLAQ7TCIW6NLTQBLABSICT \
  | 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: 5be623ac10fcc48b79ab9c02b0064814ee081e920b873bda1a7784645aec643b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4f85e5d37f73fbab2b8bd40e960f47f62ccc9d1fdc74770ced963289f7c8e46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-12-28T09:28:11Z",
    "title_canon_sha256": "d5f3bfaccb9f41405464ae1f24857ab5bd68c26b4919ee1636d1ed5a9fe11b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09797",
    "kind": "arxiv",
    "version": 1
  }
}