Pith Number

pith:SBRTDFMY

pith:2013:SBRTDFMYTZIWNPZRHY6I5KNUZW

not attested not anchored not stored refs pending

An Optimal Pairs-Trading Rule

Qingshuo Song, Qing Zhang

arxiv:1302.6120 v1 · 2013-02-25 · q-fin.PR · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBRTDFMYTZIWNPZRHY6I5KNUZW}

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	2026-05-18T03:32:32.522244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90633195989e5166bf313e3c8ea9b4cd96de6ac7ba50ea811c5f58a5747ef345

Aliases

arxiv: 1302.6120 · arxiv_version: 1302.6120v1 · doi: 10.48550/arxiv.1302.6120 · pith_short_12: SBRTDFMYTZIW · pith_short_16: SBRTDFMYTZIWNPZR · pith_short_8: SBRTDFMY

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/SBRTDFMYTZIWNPZRHY6I5KNUZW \
  | 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: 90633195989e5166bf313e3c8ea9b4cd96de6ac7ba50ea811c5f58a5747ef345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f925215db0d09ac3aa8e2cf9269d0adccdcebeaf13dbb683bd6b05f3b581d3",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2013-02-25T15:23:49Z",
    "title_canon_sha256": "b31e2cd0d33b6356b53a975b957eccecf731bc528a02748fdbd4a57f180737c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6120",
    "kind": "arxiv",
    "version": 1
  }
}