Pith Number

pith:443N7TNB

pith:2013:443N7TNBPEYXTYTRPBOAMB7L6J

not attested not anchored not stored refs pending

Data Assimilation by Conditioning on Future Observations

Chris Farmer, Wonjung Lee

arxiv:1311.6760 v1 · 2013-11-26 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{443N7TNBPEYXTYTRPBOAMB7L6J}

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	2026-05-18T01:46:05.951810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e736dfcda1793179e271785c0607ebf272ac126f47af3adc9a99d3b6b23a1f03

Aliases

arxiv: 1311.6760 · arxiv_version: 1311.6760v1 · doi: 10.48550/arxiv.1311.6760 · pith_short_12: 443N7TNBPEYX · pith_short_16: 443N7TNBPEYXTYTR · pith_short_8: 443N7TNB

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/443N7TNBPEYXTYTRPBOAMB7L6J \
  | 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: e736dfcda1793179e271785c0607ebf272ac126f47af3adc9a99d3b6b23a1f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d13be9677222723060e09b0bcd601389828b1a5d22eb6ff545d125f732cdc00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-11-26T18:07:06Z",
    "title_canon_sha256": "2b6fae36ed8c4a9b25400743a46580258287f1c214d3c355c6e44ae11dcdd51c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6760",
    "kind": "arxiv",
    "version": 1
  }
}