Pith Number

pith:4I2FYD76

pith:2021:4I2FYD76TKKIPQHCZ2WCIE7PTW

not attested not anchored not stored refs pending

Identification and Estimation in Many-to-one Two-sided Matching without Transfers

Shruti Sinha, Xiaoting Sun, YingHua He

arxiv:2104.02009 v3 · 2021-04-05 · econ.EM · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4I2FYD76TKKIPQHCZ2WCIE7PTW}

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	2026-07-05T06:28:50.660950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2345c0ffe9a9487c0e2ceac2413ef9d80d0172eee1bdb1f33ab515590c5bad3

Aliases

arxiv: 2104.02009 · arxiv_version: 2104.02009v3 · doi: 10.48550/arxiv.2104.02009 · pith_short_12: 4I2FYD76TKKI · pith_short_16: 4I2FYD76TKKIPQHC · pith_short_8: 4I2FYD76

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/4I2FYD76TKKIPQHCZ2WCIE7PTW \
  | 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: e2345c0ffe9a9487c0e2ceac2413ef9d80d0172eee1bdb1f33ab515590c5bad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f1fa46d368f63363f1926ac9f7cbd68e2498810234fa7463de15dc038cbd13",
    "cross_cats_sorted": [
      "econ.GN",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2021-04-05T16:58:19Z",
    "title_canon_sha256": "ff7115a22f008e8f4e86ae9e6e85826bbd96bafd7be60ef5c57addca6c816d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02009",
    "kind": "arxiv",
    "version": 3
  }
}