Pith Number

pith:X2WYMNSB

pith:2021:X2WYMNSBWT7GP4RGEJ5YCEWGR4

not attested not anchored not stored refs pending

Retrospective causal inference via matrix completion, with an evaluation of the effect of European integration on cross-border employment

Andrea Albanese, Andrea Mercatanti, Fan Li, Jason Poulos

arxiv:2106.00788 v1 · 2021-06-01 · stat.ME · econ.EM · econ.GN · q-fin.EC · 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{X2WYMNSBWT7GP4RGEJ5YCEWGR4}

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	2026-07-05T02:45:39.872944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bead863641b4fe67f226227b8112c68f357039217b43ad30dc17c55d2054051b

Aliases

arxiv: 2106.00788 · arxiv_version: 2106.00788v1 · doi: 10.48550/arxiv.2106.00788 · pith_short_12: X2WYMNSBWT7G · pith_short_16: X2WYMNSBWT7GP4RG · pith_short_8: X2WYMNSB

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/X2WYMNSBWT7GP4RGEJ5YCEWGR4 \
  | 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: bead863641b4fe67f226227b8112c68f357039217b43ad30dc17c55d2054051b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bec8e61d801e59598bf9c96675ad275af3e2f0cc7e0761a170d3003ce9a8f3bd",
    "cross_cats_sorted": [
      "econ.EM",
      "econ.GN",
      "q-fin.EC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-06-01T20:42:55Z",
    "title_canon_sha256": "cdf604d8a4ff4a46d982d13eecc04d8089e3cb1b389ebf4a1bac547ddb072c87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00788",
    "kind": "arxiv",
    "version": 1
  }
}