Pith Number

pith:UYQ4LDLT

pith:2017:UYQ4LDLTN7EB7EAI7SQDVJKX4T

not attested not anchored not stored refs pending

The Pentagonal Inequality

Roy Barbara

arxiv:1705.10460 v1 · 2017-05-30 · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYQ4LDLTN7EB7EAI7SQDVJKX4T}

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	2026-05-18T00:43:24.507235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a621c58d736fc81f9008fca03aa557e4fa6d43c822095ce30d46f4403dc25423

Aliases

arxiv: 1705.10460 · arxiv_version: 1705.10460v1 · doi: 10.48550/arxiv.1705.10460 · pith_short_12: UYQ4LDLTN7EB · pith_short_16: UYQ4LDLTN7EB7EAI · pith_short_8: UYQ4LDLT

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/UYQ4LDLTN7EB7EAI7SQDVJKX4T \
  | 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: a621c58d736fc81f9008fca03aa557e4fa6d43c822095ce30d46f4403dc25423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "249bd48fae7f4c3f5dfb4f897a1af4ce18b5bcf9349202ad96670896ed74fc88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-05-30T05:40:57Z",
    "title_canon_sha256": "4c63f4eca9f5987f9dfb936121668cbd45c35f06215bc22f0bfbb5685b42fabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10460",
    "kind": "arxiv",
    "version": 1
  }
}