Pith Number

pith:YZQE2WAY

pith:2015:YZQE2WAYDUKAGDEP2DESHZ3QKN

not attested not anchored not stored refs pending

Principal causal effect identification and surrogate endpoint evaluation by multiple trials

Peng Ding, Zhichao Jiang, Zhi Geng

arxiv:1507.05935 v1 · 2015-07-21 · math.ST · stat.AP · 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{YZQE2WAYDUKAGDEP2DESHZ3QKN}

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	2026-05-18T01:36:32.091152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6604d58181d14030c8fd0c923e7705353d2087209867164e0d11590fbc344db

Aliases

arxiv: 1507.05935 · arxiv_version: 1507.05935v1 · doi: 10.48550/arxiv.1507.05935 · pith_short_12: YZQE2WAYDUKA · pith_short_16: YZQE2WAYDUKAGDEP · pith_short_8: YZQE2WAY

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/YZQE2WAYDUKAGDEP2DESHZ3QKN \
  | 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: c6604d58181d14030c8fd0c923e7705353d2087209867164e0d11590fbc344db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205b234e6759a62b4499dd95e1620ca5357ef246e5410088c449a76776205fa1",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-07-21T18:19:01Z",
    "title_canon_sha256": "c5877fd328bb4f438504e4f821dbe671259c52bf6bfd3b83015a989ae18adbbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05935",
    "kind": "arxiv",
    "version": 1
  }
}