Pith Number

pith:O4XYRR5W

pith:2014:O4XYRR5WLP6U6RY3V77CWYVDYF

not attested not anchored not stored refs pending

Algorithms for envelope estimation

R. Dennis Cook, Xin Zhang

arxiv:1403.4138 v1 · 2014-03-17 · 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{O4XYRR5WLP6U6RY3V77CWYVDYF}

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	2026-05-18T02:56:12.131559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772f88c7b65bfd4f471baffe2b62a3c14a22c8f8a70e9283f002ea09de8d62c9

Aliases

arxiv: 1403.4138 · arxiv_version: 1403.4138v1 · doi: 10.48550/arxiv.1403.4138 · pith_short_12: O4XYRR5WLP6U · pith_short_16: O4XYRR5WLP6U6RY3 · pith_short_8: O4XYRR5W

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/O4XYRR5WLP6U6RY3V77CWYVDYF \
  | 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: 772f88c7b65bfd4f471baffe2b62a3c14a22c8f8a70e9283f002ea09de8d62c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234727e12fa0b99562c27b1b5d41d98a4795a8e2392daea1933fbd6890252f7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-03-17T15:51:48Z",
    "title_canon_sha256": "0c6a16764b9f8fc1cf4e1f1f8f1d69611d4491b9179704e0b0f3c799e771be9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4138",
    "kind": "arxiv",
    "version": 1
  }
}