Pith Number

pith:NY2KSWBY

pith:2014:NY2KSWBYA2FPXU7OSHW5TRRZ2M

not attested not anchored not stored refs pending

Strongly Incremental Repair Detection

Julian Hough, Matthew Purver

arxiv:1408.6788 v2 · 2014-08-28 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NY2KSWBYA2FPXU7OSHW5TRRZ2M}

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	2026-05-18T02:44:00.173394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e34a95838068afbd3ee91edd9c639d33100913226f3e2032637fda5e3026823

Aliases

arxiv: 1408.6788 · arxiv_version: 1408.6788v2 · doi: 10.48550/arxiv.1408.6788 · pith_short_12: NY2KSWBYA2FP · pith_short_16: NY2KSWBYA2FPXU7O · pith_short_8: NY2KSWBY

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/NY2KSWBYA2FPXU7OSHW5TRRZ2M \
  | 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: 6e34a95838068afbd3ee91edd9c639d33100913226f3e2032637fda5e3026823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb2a68f4f26fc0bfd0e3cd6871e0528914df506c3aa350590d5422a34017069",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-08-28T17:29:55Z",
    "title_canon_sha256": "a752d673ccec57c216c6404e96f96a56e59ab06fe37c21839fda84d260d6650a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6788",
    "kind": "arxiv",
    "version": 2
  }
}