Pith Number

pith:RCH2AB2O

pith:2018:RCH2AB2OBESUS3C7J4B6NXHKC6

not attested not anchored not stored refs pending

Portfolio Construction Matters

Stanislao Gualdi, Stefano Ciliberti

arxiv:1810.08384 v1 · 2018-10-19 · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCH2AB2OBESUS3C7J4B6NXHKC6}

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	2026-05-18T00:02:48.254735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

888fa0074e0925496c5f4f03e6dcea17bf18cee262d392ef2cadc7002446aaaf

Aliases

arxiv: 1810.08384 · arxiv_version: 1810.08384v1 · doi: 10.48550/arxiv.1810.08384 · pith_short_12: RCH2AB2OBESU · pith_short_16: RCH2AB2OBESUS3C7 · pith_short_8: RCH2AB2O

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/RCH2AB2OBESUS3C7J4B6NXHKC6 \
  | 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: 888fa0074e0925496c5f4f03e6dcea17bf18cee262d392ef2cadc7002446aaaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77ef662e0b65550e52f8b282fd8a4e77fc6845dac55c25e65ed6303bbbd1f45d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2018-10-19T07:59:10Z",
    "title_canon_sha256": "c1df42799bda4e303d0201dc31018268ccde520516a4e20f3b11cca119920d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08384",
    "kind": "arxiv",
    "version": 1
  }
}