Pith Number

pith:IFYBOPPO

pith:2019:IFYBOPPO5WGJLAYKNZFZ45IEFS

not attested not anchored not stored refs pending

Are trading invariants really invariant? Trading costs matter

Fabrizio Lillo, Fr\'ed\'eric Bucci, Jean-Philippe Bouchaud, Michael Benzaquen

arxiv:1902.03457 v1 · 2019-02-09 · q-fin.TR · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFYBOPPO5WGJLAYKNZFZ45IEFS}

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	2026-05-17T23:54:20.772083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4170173deeed8c95830a6e4b9e75042c81ce48a46ec6e79d36d9cdb96ae7fb5f

Aliases

arxiv: 1902.03457 · arxiv_version: 1902.03457v1 · doi: 10.48550/arxiv.1902.03457 · pith_short_12: IFYBOPPO5WGJ · pith_short_16: IFYBOPPO5WGJLAYK · pith_short_8: IFYBOPPO

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/IFYBOPPO5WGJLAYKNZFZ45IEFS \
  | 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: 4170173deeed8c95830a6e4b9e75042c81ce48a46ec6e79d36d9cdb96ae7fb5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e397b1ed4d792090970acb0705b8ed604f9fa4818fc826c44a8f987a577cf083",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2019-02-09T17:42:35Z",
    "title_canon_sha256": "cf87e197933c1119a4c1b61715e62e1345bc75a788590c9703f631c49c750406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03457",
    "kind": "arxiv",
    "version": 1
  }
}