Pith Number

pith:FQIXWICX

pith:2019:FQIXWICX5M4PVR2OBISEWSW24Q

not attested not anchored not stored refs pending

Nonparametric Curve Alignment

Erik Learned-Miller, Marwan Mattar, Michael Ross

arxiv:1902.00626 v1 · 2019-02-02 · cs.LG · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQIXWICX5M4PVR2OBISEWSW24Q}

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	2026-05-17T23:54:52.629951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c117b2057eb38fac74e0a244b4adae4266eaf5443bb259ceba89ac740cdaf97

Aliases

arxiv: 1902.00626 · arxiv_version: 1902.00626v1 · doi: 10.48550/arxiv.1902.00626 · pith_short_12: FQIXWICX5M4P · pith_short_16: FQIXWICX5M4PVR2O · pith_short_8: FQIXWICX

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/FQIXWICX5M4PVR2OBISEWSW24Q \
  | 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: 2c117b2057eb38fac74e0a244b4adae4266eaf5443bb259ceba89ac740cdaf97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54b0734a2fb8ab3a589fe6fdbb95133e86d0c3208fb33de9a52b40cc38ca501a",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-02T02:29:24Z",
    "title_canon_sha256": "4330b80545e6a50f25fe9923b91da07d8acce8a558349728bf2e6c68ccb1d344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00626",
    "kind": "arxiv",
    "version": 1
  }
}