Pith Number

pith:QHGVV6LC

pith:2014:QHGVV6LCR4GEPDENBKXYUSDKFL

not attested not anchored not stored refs pending

On the stability of the polygonal isoperimetric inequality

Emanuel Indrei, Levon Nurbekyan

arxiv:1402.4460 v1 · 2014-02-18 · math.CA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHGVV6LCR4GEPDENBKXYUSDKFL}

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	2026-05-18T02:58:43.828249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cd5af9628f0c478c8d0aaf8a486a2aed92fd1aae233a3226a85c9c72418fc4

Aliases

arxiv: 1402.4460 · arxiv_version: 1402.4460v1 · doi: 10.48550/arxiv.1402.4460 · pith_short_12: QHGVV6LCR4GE · pith_short_16: QHGVV6LCR4GEPDEN · pith_short_8: QHGVV6LC

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/QHGVV6LCR4GEPDENBKXYUSDKFL \
  | 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: 81cd5af9628f0c478c8d0aaf8a486a2aed92fd1aae233a3226a85c9c72418fc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "959d78bdb248517012a3af6f9a41b0e4cd69a449c9642c39b85b310a615c8937",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-02-18T20:14:15Z",
    "title_canon_sha256": "8090f30a444e555b995ed39f26dc4ace9cf3a8ad9e334fe720acfc2e38efa961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4460",
    "kind": "arxiv",
    "version": 1
  }
}