Pith Number

pith:YMGR7TVV

pith:2015:YMGR7TVVCDNESOENNPMI7HZY5X

not attested not anchored not stored refs pending

Data Assimilation: A Mathematical Introduction

A.M. Stuart, K.C. Zygalakis, K.J.H. Law

arxiv:1506.07825 v1 · 2015-06-25 · math.DS · math.OC · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMGR7TVVCDNESOENNPMI7HZY5X}

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	2026-05-18T01:38:50.691622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c30d1fceb510da49388d6bd88f9f38edefc0246a05be182b97a5fb9a8c0c9023

Aliases

arxiv: 1506.07825 · arxiv_version: 1506.07825v1 · doi: 10.48550/arxiv.1506.07825 · pith_short_12: YMGR7TVVCDNE · pith_short_16: YMGR7TVVCDNESOEN · pith_short_8: YMGR7TVV

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/YMGR7TVVCDNESOENNPMI7HZY5X \
  | 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: c30d1fceb510da49388d6bd88f9f38edefc0246a05be182b97a5fb9a8c0c9023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62dc650861f0204e3e84781518aa22f22cbc83e6aa300a22e001f3c575117474",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-06-25T17:25:34Z",
    "title_canon_sha256": "b20d20463eeaeb36f372cf600e6b482cfdf80a1cf954afb8efa3dac59f2b36b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07825",
    "kind": "arxiv",
    "version": 1
  }
}