Pith Number

pith:AKJGOP7L

pith:2019:AKJGOP7LGE7W2YUFJVNPISJH7Y

not attested not anchored not stored refs pending

The maximum of the four-dimensional membrane model

Florian Schweiger

arxiv:1903.02522 v2 · 2019-03-06 · math.PR · cs.NA · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKJGOP7LGE7W2YUFJVNPISJH7Y}

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	2026-05-17T23:40:49.112056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0292673feb313f6d62854d5af44927fe104100640404f090eb37bef9f1282b12

Aliases

arxiv: 1903.02522 · arxiv_version: 1903.02522v2 · doi: 10.48550/arxiv.1903.02522 · pith_short_12: AKJGOP7LGE7W · pith_short_16: AKJGOP7LGE7W2YUF · pith_short_8: AKJGOP7L

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/AKJGOP7LGE7W2YUFJVNPISJH7Y \
  | 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: 0292673feb313f6d62854d5af44927fe104100640404f090eb37bef9f1282b12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39aea066fae1b00c88d66f858703009b18bf8bb9a0277ae35ef7d814288dcf1f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-03-06T17:59:43Z",
    "title_canon_sha256": "ed134eaf1c2b16a00c9f6ea3286264557edb23a2f5bc4afc5f0f5420eeab8d7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02522",
    "kind": "arxiv",
    "version": 2
  }
}