Pith Number

pith:NYXLB4QT

pith:2017:NYXLB4QTLH5APPI2OUSODUWPHY

not attested not anchored not stored refs pending

Some classes of graphs that are not PCGs

Angelo Monti, Pierluigi Baiocchi, Rossella Petreschi, Tiziana Calamoneri

arxiv:1707.07436 v1 · 2017-07-24 · 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{NYXLB4QTLH5APPI2OUSODUWPHY}

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	2026-05-18T00:39:42.201312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e2eb0f21359fa07bd1a7524e1d2cf3e1e5c5a286b8f5078e1d3a6bc8c278610

Aliases

arxiv: 1707.07436 · arxiv_version: 1707.07436v1 · doi: 10.48550/arxiv.1707.07436 · pith_short_12: NYXLB4QTLH5A · pith_short_16: NYXLB4QTLH5APPI2 · pith_short_8: NYXLB4QT

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/NYXLB4QTLH5APPI2OUSODUWPHY \
  | 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: 6e2eb0f21359fa07bd1a7524e1d2cf3e1e5c5a286b8f5078e1d3a6bc8c278610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7122b6da7c2865464c2992efce3c31fecc4133b9d2b7e5b9d8b3ad8b3124b0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-07-24T08:24:48Z",
    "title_canon_sha256": "a124836ee141fe8ab13991170ae4c653f9a54a46d4f678fc43632750035cd122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07436",
    "kind": "arxiv",
    "version": 1
  }
}