Pith Number

pith:BTJY2TII

pith:2017:BTJY2TIIIDCLFUXSK3BE7JQXJ7

not attested not anchored not stored refs pending

Optimal Transport Filtering with Particle Reweighing in Finance

Raphael Douady, Shohruh Miryusupov

arxiv:1704.07698 v5 · 2017-04-25 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTJY2TIIIDCLFUXSK3BE7JQXJ7}

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	2026-05-18T00:36:03.326935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd38d4d0840c4b2d2f256c24fa6174ff6ebbe3b0cecf2d776d9fc77a396c609

Aliases

arxiv: 1704.07698 · arxiv_version: 1704.07698v5 · doi: 10.48550/arxiv.1704.07698 · pith_short_12: BTJY2TIIIDCL · pith_short_16: BTJY2TIIIDCLFUXS · pith_short_8: BTJY2TII

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/BTJY2TIIIDCLFUXSK3BE7JQXJ7 \
  | 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: 0cd38d4d0840c4b2d2f256c24fa6174ff6ebbe3b0cecf2d776d9fc77a396c609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af26881e325f25d422e8fd1f26e140ebc5a64d947930561bcf3c4d1948e192ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-25T13:59:26Z",
    "title_canon_sha256": "93cf7386a66da37639a7ccc6dee11572f9d447d18f99d3be16025d23f4a6cea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07698",
    "kind": "arxiv",
    "version": 5
  }
}