pith. sign in
Pith Number

pith:EDEQXA55

pith:2014:EDEQXA55BNMTLELPXVS5Z2GKXX
not attested not anchored not stored refs pending

Structural Change in Sparsity

Myung Hwan Seo, Sokbae Lee, Youngki Shin, Yuan Liao

arxiv:1411.3062 v2 · 2014-11-12 · stat.ME

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EDEQXA55BNMTLELPXVS5Z2GKXX}

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 2026-05-18T02:34:44.575687Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

20c90b83bd0b5935916fbd65dce8cabdf000b6c18fe00fd18381c9dc927d60b8

Aliases

arxiv: 1411.3062 · arxiv_version: 1411.3062v2 · doi: 10.48550/arxiv.1411.3062 · pith_short_12: EDEQXA55BNMT · pith_short_16: EDEQXA55BNMTLELP · pith_short_8: EDEQXA55
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EDEQXA55BNMTLELPXVS5Z2GKXX \
  | 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: 20c90b83bd0b5935916fbd65dce8cabdf000b6c18fe00fd18381c9dc927d60b8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3c5038afab7ec8dea562291a1d1dd56c5cba846fb517de6db6175465ade3b21a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-11-12T03:47:18Z",
    "title_canon_sha256": "a679f66f96f94d1c20efd39f7cb2050ef509716918df2ad7daba71533b3acdfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3062",
    "kind": "arxiv",
    "version": 2
  }
}