Pith Number

pith:FZCR2U5W

pith:2017:FZCR2U5WYXGIJ5BP4JWROTJIQ5

not attested not anchored not stored refs pending

Computing the $A_{\alpha}-$ eigenvalues of a bug

Oscar Rojo

arxiv:1710.02771 v1 · 2017-10-08 · 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{FZCR2U5WYXGIJ5BP4JWROTJIQ5}

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	2026-05-18T00:33:28.853040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e451d53b6c5cc84f42fe26d174d28874979c9b934772a386b51968989a0a212

Aliases

arxiv: 1710.02771 · arxiv_version: 1710.02771v1 · doi: 10.48550/arxiv.1710.02771 · pith_short_12: FZCR2U5WYXGI · pith_short_16: FZCR2U5WYXGIJ5BP · pith_short_8: FZCR2U5W

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/FZCR2U5WYXGIJ5BP4JWROTJIQ5 \
  | 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: 2e451d53b6c5cc84f42fe26d174d28874979c9b934772a386b51968989a0a212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ced5c0a4b06eb1998b2874b75521be328d4d281949e90736ffda141c71c042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-08T02:47:06Z",
    "title_canon_sha256": "d100384f1dd9afef3a192b8818214efc83ac6ba38fa50da101ea8b5baaf3a2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02771",
    "kind": "arxiv",
    "version": 1
  }
}