Pith Number

pith:45E2EEKQ

pith:2017:45E2EEKQI572QBMRUR4ON7LL4W

not attested not anchored not stored refs pending

Model-based curve registration via stochastic approximation EM algorithm

Eric Fu, Nancy Heckman

arxiv:1712.07265 v2 · 2017-12-19 · 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{45E2EEKQI572QBMRUR4ON7LL4W}

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	2026-05-18T00:12:32.543241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e749a21150477fa80591a478e6fd6be59603b322ad8f1ede3f09452d855cc807

Aliases

arxiv: 1712.07265 · arxiv_version: 1712.07265v2 · doi: 10.48550/arxiv.1712.07265 · pith_short_12: 45E2EEKQI572 · pith_short_16: 45E2EEKQI572QBMR · pith_short_8: 45E2EEKQ

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/45E2EEKQI572QBMRUR4ON7LL4W \
  | 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: e749a21150477fa80591a478e6fd6be59603b322ad8f1ede3f09452d855cc807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6ae917588123245ecf9f0b4589e3f9c72cfdd1e43ae66e27af55b16b9c5f7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-12-19T23:50:49Z",
    "title_canon_sha256": "d44b5b4c97a19e4fea45d63fbfa0f96895799569ad7df678a17c5ffb837580b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07265",
    "kind": "arxiv",
    "version": 2
  }
}