Pith Number

pith:2ZUMDWSM

pith:2019:2ZUMDWSMJ6R5DCMAFVUZTBWCI2

not attested not anchored not stored refs pending

Multi-Level Order-Flow Imbalance in a Limit Order Book

Ke Xu, Martin D. Gould, Sam D. Howison

arxiv:1907.06230 v2 · 2019-07-14 · q-fin.TR · q-fin.GN · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZUMDWSMJ6R5DCMAFVUZTBWCI2}

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	2026-07-05T00:15:07.334810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d668c1da4c4fa3d189802d699986c2468b1c77d140a71deef4ea452384b569fa

Aliases

arxiv: 1907.06230 · arxiv_version: 1907.06230v2 · doi: 10.48550/arxiv.1907.06230 · pith_short_12: 2ZUMDWSMJ6R5 · pith_short_16: 2ZUMDWSMJ6R5DCMA · pith_short_8: 2ZUMDWSM

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/2ZUMDWSMJ6R5DCMAFVUZTBWCI2 \
  | 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: d668c1da4c4fa3d189802d699986c2468b1c77d140a71deef4ea452384b569fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6360ec47f01fe1cf01c20e8510d1d9b2881a1ab5fd9332d749ac94854b2245e6",
    "cross_cats_sorted": [
      "q-fin.GN",
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2019-07-14T15:00:54Z",
    "title_canon_sha256": "bd1ccb85be6120749851ee60b2c2a7a672c7414cf16fcd4a8e898fddfd5eb210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06230",
    "kind": "arxiv",
    "version": 2
  }
}