Pith Number

pith:PIYGM2IJ

pith:2024:PIYGM2IJR6MPHN6VGMXJA74HNO

not attested not anchored not stored refs pending

Identifying and Quantifying (Un)Improvable Students

Gabriel Ziegler, Geng Zhao, Josue Ortega, R.Pablo Arribillaga

arxiv:2407.19831 v4 · 2024-07-29 · econ.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{PIYGM2IJR6MPHN6VGMXJA74HNO}

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.

Cited by

1 paper in Pith

Justifiable Priority Violations

Receipt and verification

First computed	2026-07-05T11:04:18.190145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a306669098f98f3b7d5332e907f876ba6be2a7d33227e7e1ca47992c6fa1b2c

Aliases

arxiv: 2407.19831 · arxiv_version: 2407.19831v4 · doi: 10.48550/arxiv.2407.19831 · pith_short_12: PIYGM2IJR6MP · pith_short_16: PIYGM2IJR6MPHN6V · pith_short_8: PIYGM2IJ

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/PIYGM2IJR6MPHN6VGMXJA74HNO \
  | 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: 7a306669098f98f3b7d5332e907f876ba6be2a7d33227e7e1ca47992c6fa1b2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e95ef016a69ffd3dfe73e2da2a16b4b15e9bf7b87f9df2c9563ddc9e5b6f59b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.TH",
    "submitted_at": "2024-07-29T09:36:25Z",
    "title_canon_sha256": "5776ce6328968558c1d08bf3767d195503ef8050251a6879a9868ecfd15f98f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.19831",
    "kind": "arxiv",
    "version": 4
  }
}