Pith Number

pith:NQUBZ6BK

pith:2016:NQUBZ6BKYEOQFGO36N4N3U7THT

not attested not anchored not stored refs pending

Irreversibility of financial time series: a graph-theoretical approach

Lucas Lacasa, Ryan Flanagan

arxiv:1601.01980 v1 · 2016-01-08 · q-fin.ST · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQUBZ6BKYEOQFGO36N4N3U7THT}

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	2026-05-18T01:23:10.918211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c281cf82ac11d0299dbf378ddd3f33cc9527777b61bd785b26bbcd7818bcfec

Aliases

arxiv: 1601.01980 · arxiv_version: 1601.01980v1 · doi: 10.48550/arxiv.1601.01980 · pith_short_12: NQUBZ6BKYEOQ · pith_short_16: NQUBZ6BKYEOQFGO3 · pith_short_8: NQUBZ6BK

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/NQUBZ6BKYEOQFGO36N4N3U7THT \
  | 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: 6c281cf82ac11d0299dbf378ddd3f33cc9527777b61bd785b26bbcd7818bcfec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d37277be42f31838a30610059d9e500663094e1d494cd811f015ca96300a4a6",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2016-01-08T19:13:53Z",
    "title_canon_sha256": "6a61cca731fd5e0265c649f80cd2f2cb2c831a0a639007d4187866178ac035cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01980",
    "kind": "arxiv",
    "version": 1
  }
}