Pith Number

pith:SDY5N6CI

pith:2016:SDY5N6CIVZNZX6NNRQ75RSHOBR

not attested not anchored not stored refs pending

Efficient Certified RAT Verification

Lu\'is Cruz-Filipe, Marijn Heule, Matt Kaufmann, Peter Schneider-Kamp, Warren Hunt

arxiv:1612.02353 v2 · 2016-12-07 · 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{SDY5N6CIVZNZX6NNRQ75RSHOBR}

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	2026-05-18T00:38:30.723388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f1d6f848ae5b9bf9ad8c3fd8c8ee0c7de35c673d93dd9af26fd3649866a734

Aliases

arxiv: 1612.02353 · arxiv_version: 1612.02353v2 · doi: 10.48550/arxiv.1612.02353 · pith_short_12: SDY5N6CIVZNZ · pith_short_16: SDY5N6CIVZNZX6NN · pith_short_8: SDY5N6CI

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/SDY5N6CIVZNZX6NNRQ75RSHOBR \
  | 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: 90f1d6f848ae5b9bf9ad8c3fd8c8ee0c7de35c673d93dd9af26fd3649866a734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a483eaffd518f05ea7227767325508e30cfb7677617ba54f0fba24704b6e42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-12-07T18:13:31Z",
    "title_canon_sha256": "0befc4170ff5b3a0f7682d0d3cd69409d117448dc8dfce44c2b06423445cee55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02353",
    "kind": "arxiv",
    "version": 2
  }
}