Pith Number

pith:SGGWMCOY

pith:2011:SGGWMCOY23FBF2QKK5JVGFXW7J

not attested not anchored not stored refs pending

From Good Practices to Effective Policies for Preventing Errors in Spreadsheets

Daniel Kulesz

arxiv:1111.6878 v1 · 2011-11-29 · 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{SGGWMCOY23FBF2QKK5JVGFXW7J}

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	2026-05-18T04:07:28.342630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

918d6609d8d6ca12ea0a57535316f6fa5c644ddd6f0842916f263ec4049d40f7

Aliases

arxiv: 1111.6878 · arxiv_version: 1111.6878v1 · doi: 10.48550/arxiv.1111.6878 · pith_short_12: SGGWMCOY23FB · pith_short_16: SGGWMCOY23FBF2QK · pith_short_8: SGGWMCOY

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/SGGWMCOY23FBF2QKK5JVGFXW7J \
  | 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: 918d6609d8d6ca12ea0a57535316f6fa5c644ddd6f0842916f263ec4049d40f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0ad274f0fccd630899447d9fccaf1daacb29bf4f775446cfa777ec0e0618c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-11-29T16:28:56Z",
    "title_canon_sha256": "c5319c1e87059e387256aaf88140de0719ce322dc4cc151ec3f8be9b6b3366c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6878",
    "kind": "arxiv",
    "version": 1
  }
}