Pith Number

pith:B2VZLW4U

pith:2014:B2VZLW4UKNUKEXK5CFUKNDDHMR

not attested not anchored not stored refs pending

Scheduling Problems

Caroline J. Klivans, Felix Breuer

arxiv:1401.2978 v2 · 2014-01-13 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2VZLW4UKNUKEXK5CFUKNDDHMR}

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	2026-05-18T01:25:30.964236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eab95db945368a25d5d1168a68c676462a551f08620d9f533280284ed5768f4

Aliases

arxiv: 1401.2978 · arxiv_version: 1401.2978v2 · doi: 10.48550/arxiv.1401.2978 · pith_short_12: B2VZLW4UKNUK · pith_short_16: B2VZLW4UKNUKEXK5 · pith_short_8: B2VZLW4U

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/B2VZLW4UKNUKEXK5CFUKNDDHMR \
  | 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: 0eab95db945368a25d5d1168a68c676462a551f08620d9f533280284ed5768f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9698b96278a29fc1303c067e7193c0467b79c65ae59ded343687db1bfc6d856",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-13T20:50:30Z",
    "title_canon_sha256": "7dd2de18a6e9406b9a3acb52d1d02b2934865f631c3c5860b2f16cce98c46150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2978",
    "kind": "arxiv",
    "version": 2
  }
}