Pith Number

pith:FBKBX3GH

pith:2021:FBKBX3GHKBDO3HXV5YWHJ25T7E

not attested not anchored not stored refs pending

Wielding Occam's razor: Fast and frugal retail forecasting

Enno Siemsen, Evangelos Spiliotis, Fotios Petropoulos, Yael Grushka-Cockayne

arxiv:2102.13209 v4 · 2021-02-23 · stat.ME · stat.AP · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBKBX3GHKBDO3HXV5YWHJ25T7E}

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	2026-07-05T07:02:45.962535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28541becc75046ed9ef5ee2c74ebb3f93651ef394e03e1b3ff5e5e68f7e3c218

Aliases

arxiv: 2102.13209 · arxiv_version: 2102.13209v4 · doi: 10.48550/arxiv.2102.13209 · pith_short_12: FBKBX3GHKBDO · pith_short_16: FBKBX3GHKBDO3HXV · pith_short_8: FBKBX3GH

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/FBKBX3GHKBDO3HXV5YWHJ25T7E \
  | 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: 28541becc75046ed9ef5ee2c74ebb3f93651ef394e03e1b3ff5e5e68f7e3c218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb604a52f656b1e25f2fd43eb8a8b337ec4d7ac08e325e21f9c723240314c66c",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-02-23T22:00:55Z",
    "title_canon_sha256": "647a2c7167f2a01191b25795bb7036d013cdda170cca4d7582d81f495a91f619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13209",
    "kind": "arxiv",
    "version": 4
  }
}