Pith Number

pith:XZQSBIVJ

pith:2017:XZQSBIVJFM44K5VCLCBB24IIZ4

not attested not anchored not stored refs pending

Distinguishing graphs of maximum valence 3

Hannah Schreiber, Judith Kloas, Svenja H\"uning, Thomas Tucker, Wilfried Imrich

arxiv:1709.05797 v1 · 2017-09-18 · 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{XZQSBIVJFM44K5VCLCBB24IIZ4}

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	2026-05-18T00:34:59.365591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be6120a2a92b39c576a258821d7108cf2878f8746a607faa43995c9c4a08ffdf

Aliases

arxiv: 1709.05797 · arxiv_version: 1709.05797v1 · doi: 10.48550/arxiv.1709.05797 · pith_short_12: XZQSBIVJFM44 · pith_short_16: XZQSBIVJFM44K5VC · pith_short_8: XZQSBIVJ

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/XZQSBIVJFM44K5VCLCBB24IIZ4 \
  | 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: be6120a2a92b39c576a258821d7108cf2878f8746a607faa43995c9c4a08ffdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09237752ad4cf1225ded750677b32a363c1375a9cd9b2d95539a5de13ba1130b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-18T07:49:00Z",
    "title_canon_sha256": "444ed279b2ab0e1aea4787b64edb9445005459e830630013e459afff21b6d330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05797",
    "kind": "arxiv",
    "version": 1
  }
}