Pith Number

pith:T2QSOPKM

pith:2013:T2QSOPKMNI56TKCXGXTXQM5J2Y

not attested not anchored not stored refs pending

Fuzzy Integer Linear Programming Mathematical Models for Examination Timetable Problem

Arindam Chaudhuri, Kajal De

arxiv:1307.1900 v1 · 2013-07-07 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2QSOPKMNI56TKCXGXTXQM5J2Y}

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	2026-05-18T03:19:03.196463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ea1273d4c6a3be9a85735e77833a9d604d554b0c1d0a93979e97c1b61525b71

Aliases

arxiv: 1307.1900 · arxiv_version: 1307.1900v1 · doi: 10.48550/arxiv.1307.1900 · pith_short_12: T2QSOPKMNI56 · pith_short_16: T2QSOPKMNI56TKCX · pith_short_8: T2QSOPKM

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/T2QSOPKMNI56TKCXGXTXQM5J2Y \
  | 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: 9ea1273d4c6a3be9a85735e77833a9d604d554b0c1d0a93979e97c1b61525b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f4ce52e82e1fd4ab31a4181471db0523b9560c0ee8cecacd7b8e71542fe91d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-07-07T19:09:03Z",
    "title_canon_sha256": "ff6c3b37697555ed6bcd0c36a53e02a0ed45c4fac9a4d95a0610c678da257154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1900",
    "kind": "arxiv",
    "version": 1
  }
}