Pith Number

pith:BUUIUB7M

pith:2018:BUUIUB7MQRX2UUN75EFOUZFRHO

not attested not anchored not stored refs pending

Variable selection using pseudo-variables

Eric Laber, Leonard Stefanski, Wenhao Hu

arxiv:1804.01201 v1 · 2018-04-04 · 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{BUUIUB7MQRX2UUN75EFOUZFRHO}

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	2026-05-18T00:19:15.775395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d288a07ec846faa51bfe90aea64b13b839bf615e6d1d1d23c28a3890cf6bd66

Aliases

arxiv: 1804.01201 · arxiv_version: 1804.01201v1 · doi: 10.48550/arxiv.1804.01201 · pith_short_12: BUUIUB7MQRX2 · pith_short_16: BUUIUB7MQRX2UUN7 · pith_short_8: BUUIUB7M

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/BUUIUB7MQRX2UUN75EFOUZFRHO \
  | 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: 0d288a07ec846faa51bfe90aea64b13b839bf615e6d1d1d23c28a3890cf6bd66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a84172aac0510bec944dbba0d39b2643ff601946b21d1bf58c638cfea38eebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-04-04T01:04:40Z",
    "title_canon_sha256": "94a5586966defde1bf4a81ccf75ae4d9485ecd3a91fec573e0bcea3d7e133009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01201",
    "kind": "arxiv",
    "version": 1
  }
}