Pith Number

pith:SY4YXZNK

pith:2016:SY4YXZNKGTPUEZ7ZVJSIIDO4XD

not attested not anchored not stored refs pending

The Directions of Selection Bias

Peng Ding, Zhichao Jiang

arxiv:1609.07834 v2 · 2016-09-26 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SY4YXZNKGTPUEZ7ZVJSIIDO4XD}

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	2026-05-18T00:52:49.572018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96398be5aa34df4267f9aa64840ddcb8d5c8004552002fee54fde665094444a4

Aliases

arxiv: 1609.07834 · arxiv_version: 1609.07834v2 · doi: 10.48550/arxiv.1609.07834 · pith_short_12: SY4YXZNKGTPU · pith_short_16: SY4YXZNKGTPUEZ7Z · pith_short_8: SY4YXZNK

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/SY4YXZNKGTPUEZ7ZVJSIIDO4XD \
  | 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: 96398be5aa34df4267f9aa64840ddcb8d5c8004552002fee54fde665094444a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "640cf64395e36bd41292ebf651ae31b006564bbb156f75a9c4ceef42a4b053e3",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-09-26T02:58:32Z",
    "title_canon_sha256": "2dcfd6610b0704696434ed8fde817ba1695f87af3af1b1da56ccba695d841423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07834",
    "kind": "arxiv",
    "version": 2
  }
}