Pith Number

pith:LPNRCGUJ

pith:2014:LPNRCGUJR2NU26GBCZW3ZSPUYL

not attested not anchored not stored refs pending

Improved Approximation Algorithms for Earth-Mover Distance in Data Streams

Arman Yousefi, Rafail Ostrovsky

arxiv:1404.6287 v1 · 2014-04-24 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPNRCGUJR2NU26GBCZW3ZSPUYL}

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	2026-05-18T02:53:16.950429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bdb111a898e9b4d78c1166dbcc9f4c2d1f8860a6087e6726bbd057bacae54b4

Aliases

arxiv: 1404.6287 · arxiv_version: 1404.6287v1 · doi: 10.48550/arxiv.1404.6287 · pith_short_12: LPNRCGUJR2NU · pith_short_16: LPNRCGUJR2NU26GB · pith_short_8: LPNRCGUJ

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/LPNRCGUJR2NU26GBCZW3ZSPUYL \
  | 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: 5bdb111a898e9b4d78c1166dbcc9f4c2d1f8860a6087e6726bbd057bacae54b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6c341fd5171c4dab3d4c3883b9046bf672fed03d5c143be3e3b46df83459d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-24T22:55:53Z",
    "title_canon_sha256": "9b4871456b32f4f0429c09ac5ed90cb7c7dc1d5f4703fd9c12de2c193ca3677e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6287",
    "kind": "arxiv",
    "version": 1
  }
}