Pith Number

pith:XXKFN6YI

pith:2014:XXKFN6YIOAAQJMAGJNW73BHZZW

not attested not anchored not stored refs pending

Integer programming methods for special college admissions problems

Iain McBride, Peter Biro

arxiv:1408.6878 v2 · 2014-08-28 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXKFN6YIOAAQJMAGJNW73BHZZW}

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	2026-05-18T02:43:27.621060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd456fb08700104b0064b6dfd84f9cd94ab65460d13abcc57134cc19e9250d8

Aliases

arxiv: 1408.6878 · arxiv_version: 1408.6878v2 · doi: 10.48550/arxiv.1408.6878 · pith_short_12: XXKFN6YIOAAQ · pith_short_16: XXKFN6YIOAAQJMAG · pith_short_8: XXKFN6YI

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/XXKFN6YIOAAQJMAGJNW73BHZZW \
  | 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: bdd456fb08700104b0064b6dfd84f9cd94ab65460d13abcc57134cc19e9250d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ee8f00eb9fa944cd6fdd73666f578f5142189c40952437847a1d71e41ced78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2014-08-28T22:56:48Z",
    "title_canon_sha256": "75e56e25eaa7886049a4287ba9f5495924081596814f1eaa1afb2256a9cb34ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6878",
    "kind": "arxiv",
    "version": 2
  }
}