Pith Number

pith:GSIONXKJ

pith:2015:GSIONXKJZI5YZNUXL6WPAYXHXD

not attested not anchored not stored refs pending

Problem collection from the IML programme: Graphs, Hypergraphs, and Computing

Klas Markstr\"om

arxiv:1511.00270 v1 · 2015-11-01 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSIONXKJZI5YZNUXL6WPAYXHXD}

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	2026-05-18T01:26:24.823219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3490e6dd49ca3b8cb6975facf062e7b8cf7ed01964601349df4aff16e0f48fba

Aliases

arxiv: 1511.00270 · arxiv_version: 1511.00270v1 · doi: 10.48550/arxiv.1511.00270 · pith_short_12: GSIONXKJZI5Y · pith_short_16: GSIONXKJZI5YZNUX · pith_short_8: GSIONXKJ

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/GSIONXKJZI5YZNUXL6WPAYXHXD \
  | 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: 3490e6dd49ca3b8cb6975facf062e7b8cf7ed01964601349df4aff16e0f48fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d678aaff92b7b05b00d688ab572765a461482ed0ddaace1f134fef2aa183f76e",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-11-01T16:34:30Z",
    "title_canon_sha256": "bb7835b5c501657b24e17779a4d341044259061c428f864718ea4c5fe38e0ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00270",
    "kind": "arxiv",
    "version": 1
  }
}