Pith Number

pith:PIJ7WF6W

pith:2014:PIJ7WF6WOIVIHRPLGTWG4BDEEC

not attested not anchored not stored refs pending

Parameter estimation in spherical symmetry groups

Alfred Hero, Dennis Wei, Gregory Newstadt, Jeffrey Simmons, Marc DeGraef, Yu-hui Chen

arxiv:1411.2540 v2 · 2014-11-10 · 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{PIJ7WF6WOIVIHRPLGTWG4BDEEC}

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	2026-05-18T01:41:33.555864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a13fb17d6722a83c5eb34ec6e046420ae899130ab31b870322e146d919b459c

Aliases

arxiv: 1411.2540 · arxiv_version: 1411.2540v2 · doi: 10.48550/arxiv.1411.2540 · pith_short_12: PIJ7WF6WOIVI · pith_short_16: PIJ7WF6WOIVIHRPL · pith_short_8: PIJ7WF6W

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/PIJ7WF6WOIVIHRPLGTWG4BDEEC \
  | 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: 7a13fb17d6722a83c5eb34ec6e046420ae899130ab31b870322e146d919b459c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e67e20078d41d533838a6a283cdeb8cf590ff704b6defcb07a3dfbd41b51830",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-11-10T19:11:41Z",
    "title_canon_sha256": "90aed1a9a947d20fd50c96d7d8ec46bf96c1f90b720348dd96ab549843f3ac2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2540",
    "kind": "arxiv",
    "version": 2
  }
}