Pith Number

pith:TGY2QHLW

pith:2012:TGY2QHLWK6O56A7EFUSOFJ27GR

not attested not anchored not stored refs pending

On the Extension of the Erdos-Mordell Type Inequalities

Branislav Popkonstantinovic, Branko Malesevic, Maja Petrovic, Marija Obradovic

arxiv:1204.1003 v2 · 2012-04-04 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGY2QHLWK6O56A7EFUSOFJ27GR}

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	2026-05-18T02:43:54.553185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99b1a81d76579ddf03e42d24e2a75f3476abc55f44bfedc427384d50ed671bb7

Aliases

arxiv: 1204.1003 · arxiv_version: 1204.1003v2 · doi: 10.48550/arxiv.1204.1003 · pith_short_12: TGY2QHLWK6O5 · pith_short_16: TGY2QHLWK6O56A7E · pith_short_8: TGY2QHLW

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/TGY2QHLWK6O56A7EFUSOFJ27GR \
  | 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: 99b1a81d76579ddf03e42d24e2a75f3476abc55f44bfedc427384d50ed671bb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d4962b5ec387360ad1fa2b9edeea84004fc50fbead5fd8091e35cfe836fe5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-04-04T17:09:41Z",
    "title_canon_sha256": "2781a1a77675d7cc501f53818a94e0b9b4c519d8946f0192519e0a77931cacb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1003",
    "kind": "arxiv",
    "version": 2
  }
}