Pith Number

pith:XRJWCI34

pith:2017:XRJWCI34G44K45JSID62ODTTEQ

not attested not anchored not stored refs pending

Ordered multiplicity inverse eigenvalue problem for graphs on six vertices

Audrey Goodnight, Beth Bjorkman, Casandra Monroe, Christine Alar, Haley Knox, John Ahn, Joshua Carlson, Michael C. Wigal, Steve Butler

arxiv:1708.02438 v2 · 2017-08-08 · 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{XRJWCI34G44K45JSID62ODTTEQ}

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	2026-05-18T00:33:31.796914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5361237c3738ae753240fda70e73241733ec7bb8a913be27e87606a6b06456

Aliases

arxiv: 1708.02438 · arxiv_version: 1708.02438v2 · doi: 10.48550/arxiv.1708.02438 · pith_short_12: XRJWCI34G44K · pith_short_16: XRJWCI34G44K45JS · pith_short_8: XRJWCI34

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/XRJWCI34G44K45JSID62ODTTEQ \
  | 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: bc5361237c3738ae753240fda70e73241733ec7bb8a913be27e87606a6b06456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6a97333bf15ebce73a6ebfb8d0841a86e328047634d280da1188fa268458cf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-08T10:23:08Z",
    "title_canon_sha256": "7e1f6980e4f8aa38cd861e7dd1852f3d65cc5e216a4c41e64ac16a38579de3c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02438",
    "kind": "arxiv",
    "version": 2
  }
}