Pith Number

pith:Q74LARTQ

pith:2017:Q74LARTQY2N5YY4JHKMAH3EMHN

not attested not anchored not stored refs pending

Lagrange regularisation approach to compare nested data sets and determine objectively financial bubbles' inceptions

Didier Sornette, Guilherme Demos

arxiv:1707.07162 v1 · 2017-07-22 · 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{Q74LARTQY2N5YY4JHKMAH3EMHN}

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	2026-05-18T00:39:45.166436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f8b04670c69bdc63893a9803ec8c3b664dd54bd88f020aefcc8fd6fbf304f2

Aliases

arxiv: 1707.07162 · arxiv_version: 1707.07162v1 · doi: 10.48550/arxiv.1707.07162 · pith_short_12: Q74LARTQY2N5 · pith_short_16: Q74LARTQY2N5YY4J · pith_short_8: Q74LARTQ

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/Q74LARTQY2N5YY4JHKMAH3EMHN \
  | 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: 87f8b04670c69bdc63893a9803ec8c3b664dd54bd88f020aefcc8fd6fbf304f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be0bbea511286f322813c090cc3bff91a6e79dc4c6cef1d4cbfbf06b880a577c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2017-07-22T13:30:39Z",
    "title_canon_sha256": "b12dea81f6d0c5a18eedeb0b8b7d1781f8b8e2d8663f401ba5ddd1adee133def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07162",
    "kind": "arxiv",
    "version": 1
  }
}