Pith Number

pith:TLBSA4NZ

pith:2011:TLBSA4NZNCP7FY4P27FAQGELAN

not attested not anchored not stored refs pending

Indexing the Earth Mover's Distance Using Normal Distributions

Ambuj K. Singh, Brian E. Ruttenberg

arxiv:1111.7168 v1 · 2011-11-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TLBSA4NZNCP7FY4P27FAQGELAN}

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	2026-05-18T04:07:18.603327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ac32071b9689ff2e38fd7ca08188b0367c1218fa5b01f5afe68c7164f7952b4

Aliases

arxiv: 1111.7168 · arxiv_version: 1111.7168v1 · doi: 10.48550/arxiv.1111.7168 · pith_short_12: TLBSA4NZNCP7 · pith_short_16: TLBSA4NZNCP7FY4P · pith_short_8: TLBSA4NZ

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/TLBSA4NZNCP7FY4P27FAQGELAN \
  | 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: 9ac32071b9689ff2e38fd7ca08188b0367c1218fa5b01f5afe68c7164f7952b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7de152e539576d054ff671c593bd3b28f0b7bd1c12c7adcbc9098cef222af0f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-11-30T14:10:17Z",
    "title_canon_sha256": "13c6f527fd1c2c8d575ea40ce2952a0890ba9a27cf6a8f72943cd29bde616dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.7168",
    "kind": "arxiv",
    "version": 1
  }
}