Pith Number

pith:FEFHEIVJ

pith:2018:FEFHEIVJTRR3FUVBSX5NZIBABX

not attested not anchored not stored refs pending

Bias Correction For Paid Search In Media Mix Modeling

Aiyou Chen, David Chan, Jim Koehler, Mike Perry, Yueqing Wang, Yunting Sun, Yuxue Jin

arxiv:1807.03292 v1 · 2018-07-09 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEFHEIVJTRR3FUVBSX5NZIBABX}

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	2026-05-18T00:11:12.184945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290a7222a99c63b2d2a195fadca0200defe322e99a3fc5169528c9d02d4547cc

Aliases

arxiv: 1807.03292 · arxiv_version: 1807.03292v1 · doi: 10.48550/arxiv.1807.03292 · pith_short_12: FEFHEIVJTRR3 · pith_short_16: FEFHEIVJTRR3FUVB · pith_short_8: FEFHEIVJ

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/FEFHEIVJTRR3FUVBSX5NZIBABX \
  | 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: 290a7222a99c63b2d2a195fadca0200defe322e99a3fc5169528c9d02d4547cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c9853b5e6c6240f147246ea7021e8d23cdd591e34045120db54f2115eedfa8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-07-09T17:47:25Z",
    "title_canon_sha256": "0c05d83c1a9d5be4f61ee382caad54a25589c920e7023384698a7c6455a87093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03292",
    "kind": "arxiv",
    "version": 1
  }
}