Pith Number

pith:2JFDLQZX

pith:2016:2JFDLQZXBHBVDU3CH4L7V4ESBN

not attested not anchored not stored refs pending

Distance spectral radius of uniform hypergraphs

Bo Zhou, Hongying Lin

arxiv:1602.08214 v1 · 2016-02-26 · 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{2JFDLQZXBHBVDU3CH4L7V4ESBN}

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	2026-05-18T01:19:56.548930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24a35c33709c351d3623f17faf0920b4f148a9668655cd03f0841e88f9b35f7

Aliases

arxiv: 1602.08214 · arxiv_version: 1602.08214v1 · doi: 10.48550/arxiv.1602.08214 · pith_short_12: 2JFDLQZXBHBV · pith_short_16: 2JFDLQZXBHBVDU3C · pith_short_8: 2JFDLQZX

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/2JFDLQZXBHBVDU3CH4L7V4ESBN \
  | 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: d24a35c33709c351d3623f17faf0920b4f148a9668655cd03f0841e88f9b35f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6ecbf3c3fbf9911378a0c6c4cd10c0399da55c77c6add7a421e60ab2d11772",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-02-26T06:46:29Z",
    "title_canon_sha256": "85fa5bc3a5547299a37d4ef412737006c4814a396f01589e84ac9812a559e656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08214",
    "kind": "arxiv",
    "version": 1
  }
}