Pith Number

pith:QK7JXZKG

pith:2014:QK7JXZKGFU4MV4CIX3L43TRYYL

not attested not anchored not stored refs pending

r-Regularity

Maria Joana Torres, Pedro Duarte

arxiv:1402.4336 v2 · 2014-02-18 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QK7JXZKGFU4MV4CIX3L43TRYYL}

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	2026-05-18T02:58:34.103395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82be9be5462d38caf048bed7cdce38c2f5581bb7d1898d543440d8b8800859ed

Aliases

arxiv: 1402.4336 · arxiv_version: 1402.4336v2 · doi: 10.48550/arxiv.1402.4336 · pith_short_12: QK7JXZKGFU4M · pith_short_16: QK7JXZKGFU4MV4CI · pith_short_8: QK7JXZKG

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/QK7JXZKGFU4MV4CIX3L43TRYYL \
  | 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: 82be9be5462d38caf048bed7cdce38c2f5581bb7d1898d543440d8b8800859ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aab3ce4185f6225f9f35e000f471443cd7c16c62bd0b08a5c6bc7ca8a121835",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-18T13:55:51Z",
    "title_canon_sha256": "4e38fd7ff9808d2a617718b8bb1bda24eb227635acb52a7f88291c30b8b4819d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4336",
    "kind": "arxiv",
    "version": 2
  }
}