pith. sign in
Pith Number

pith:GF4TB4BC

pith:2013:GF4TB4BCZIJDHQ5WIWQRESDFTL
not attested not anchored not stored refs pending

Evaluation of a College Freshman Diversity Research Program

Eric Agol, John P. Wisniewski, Michael J. Tremmel, Sarah Garner, Sarah J. Schmidt

arxiv:1311.5486 v1 · 2013-11-21 · astro-ph.IM · physics.ed-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GF4TB4BCZIJDHQ5WIWQRESDFTL}

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 2026-05-18T03:06:33.236227Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455

Aliases

arxiv: 1311.5486 · arxiv_version: 1311.5486v1 · doi: 10.48550/arxiv.1311.5486 · pith_short_12: GF4TB4BCZIJD · pith_short_16: GF4TB4BCZIJDHQ5W · pith_short_8: GF4TB4BC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL \
  | 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: 317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8dc5f2f609c95f2d7b145042edfdc44f980b8af914c3c0af4b9efee05b1d71fe",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-11-21T17:18:35Z",
    "title_canon_sha256": "750e1f838b96cc688980ad61fc18afc465aa34a1bb05e88040ea240b71a444ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5486",
    "kind": "arxiv",
    "version": 1
  }
}