pith. sign in
Pith Number

pith:DKMUJM6D

pith:2015:DKMUJM6DFFHNVCC4266WOVWUJJ
not attested not anchored not stored refs pending

Introducing the Plaid Model

Richard Evan Schwartz

arxiv:1506.01202 v2 · 2015-06-03 · math.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DKMUJM6DFFHNVCC4266WOVWUJJ}

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 2026-05-18T01:55:52.284732Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1a9944b3c3294eda885cd7bd6756d44a5f69c71fe687a5ce2c88647f516624f9

Aliases

arxiv: 1506.01202 · arxiv_version: 1506.01202v2 · doi: 10.48550/arxiv.1506.01202 · pith_short_12: DKMUJM6DFFHN · pith_short_16: DKMUJM6DFFHNVCC4 · pith_short_8: DKMUJM6D
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DKMUJM6DFFHNVCC4266WOVWUJJ \
  | 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: 1a9944b3c3294eda885cd7bd6756d44a5f69c71fe687a5ce2c88647f516624f9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9d6f7670abe041bdcf85e49cd3055c619f2c2d119a7bcaaf59ce2e9d57835942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-06-03T10:44:46Z",
    "title_canon_sha256": "9a6dc74d4d7f99f0989a415d6d768b320060bf1168425856ec3fe9496a38ed94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01202",
    "kind": "arxiv",
    "version": 2
  }
}