Pith Number

pith:RHGTYH2G

pith:2012:RHGTYH2GJRVQO2XH4YWDY7WUQL

not attested not anchored not stored refs pending

A Geometric Way to Generate Blundon Type Inequalities

Catalin Barbu, Dorin Andrica, Nicusor Minculete

arxiv:1205.1145 v1 · 2012-05-05 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RHGTYH2GJRVQO2XH4YWDY7WUQL}

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	2026-05-18T03:56:11.961242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89cd3c1f464c6b076ae7e62c3c7ed482fbe67197e329396c8c09ea882c9ae3e9

Aliases

arxiv: 1205.1145 · arxiv_version: 1205.1145v1 · doi: 10.48550/arxiv.1205.1145 · pith_short_12: RHGTYH2GJRVQ · pith_short_16: RHGTYH2GJRVQO2XH · pith_short_8: RHGTYH2G

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/RHGTYH2GJRVQO2XH4YWDY7WUQL \
  | 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: 89cd3c1f464c6b076ae7e62c3c7ed482fbe67197e329396c8c09ea882c9ae3e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "820e243ffc960c52febffd3e8d778cd2fe36ecd47fe285f74d20f736da111868",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2012-05-05T15:16:58Z",
    "title_canon_sha256": "43dd8f75513692deceb30d2058b1df1b0dcb1d6f4d030b8204c845888ec0c58d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1145",
    "kind": "arxiv",
    "version": 1
  }
}