Pith Number

pith:MZTY46UE

pith:2016:MZTY46UEUMDTZQ7YJZYNUMCWTW

not attested not anchored not stored refs pending

Spreadsheet Guardian: An Approach to Protecting Semantic Correctness throughout the Evolution of Spreadsheets

Daniel Kulesz, Stefan Wagner, Verena K\"afer

arxiv:1612.03813 v3 · 2016-11-30 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZTY46UEUMDTZQ7YJZYNUMCWTW}

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	2026-05-18T00:29:15.462641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66678e7a84a3073cc3f84e70da30569dad544b713e2abf19f62d7626f49695bd

Aliases

arxiv: 1612.03813 · arxiv_version: 1612.03813v3 · doi: 10.48550/arxiv.1612.03813 · pith_short_12: MZTY46UEUMDT · pith_short_16: MZTY46UEUMDTZQ7Y · pith_short_8: MZTY46UE

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/MZTY46UEUMDTZQ7YJZYNUMCWTW \
  | 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: 66678e7a84a3073cc3f84e70da30569dad544b713e2abf19f62d7626f49695bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d03cc49dab58a1613e3db05de9dfd184aea44e6258e054ba3094a6857cd56ce2",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-11-30T21:31:22Z",
    "title_canon_sha256": "6de2e3ae7d43b04a28f97cbbbb26cd0e6390d4c82683557caaee2fb141027af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03813",
    "kind": "arxiv",
    "version": 3
  }
}