Pith Number

pith:MMNZQELR

pith:2017:MMNZQELRNJGLQWMNJT52VN66TG

not attested not anchored not stored refs pending

On the boundary of almost isoperimetric domains

Erwann Aubry, Jean-Fran\c{c}ois Grosjean

arxiv:1703.02587 v1 · 2017-03-07 · math.DG · math.AP · math.MG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMNZQELRNJGLQWMNJT52VN66TG}

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	2026-05-18T00:49:06.084623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631b9811716a4cb8598d4cfbaab7de99ba5f9a8b2caf9b56732873c1dc6f289d

Aliases

arxiv: 1703.02587 · arxiv_version: 1703.02587v1 · doi: 10.48550/arxiv.1703.02587 · pith_short_12: MMNZQELRNJGL · pith_short_16: MMNZQELRNJGLQWMN · pith_short_8: MMNZQELR

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/MMNZQELRNJGLQWMNJT52VN66TG \
  | 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: 631b9811716a4cb8598d4cfbaab7de99ba5f9a8b2caf9b56732873c1dc6f289d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2268c624358780cfd3863f1c57ab231321613fa01e05736b5b7b2e81f7ae17",
    "cross_cats_sorted": [
      "math.AP",
      "math.MG",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-03-07T20:42:23Z",
    "title_canon_sha256": "eb9dc783e079b4b31c8e3339365b291674fb916f4ad8dda26c2f295f4774aea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02587",
    "kind": "arxiv",
    "version": 1
  }
}