Pith Number

pith:TAM72TPW

pith:2019:TAM72TPW52UJVJI2AE3Z3BP5CI

not attested not anchored not stored refs pending

Extremal functions for real convex bodies: simplices, strips, and ellipses

Sione Ma`u

arxiv:1908.07118 v3 · 2019-08-20 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAM72TPW52UJVJI2AE3Z3BP5CI}

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	2026-07-05T08:16:17.586861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9819fd4df6eea89aa51a01379d85fd121e4de9b7db4aff69b4909c75fdb00b85

Aliases

arxiv: 1908.07118 · arxiv_version: 1908.07118v3 · doi: 10.48550/arxiv.1908.07118 · pith_short_12: TAM72TPW52UJ · pith_short_16: TAM72TPW52UJVJI2 · pith_short_8: TAM72TPW

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/TAM72TPW52UJVJI2AE3Z3BP5CI \
  | 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: 9819fd4df6eea89aa51a01379d85fd121e4de9b7db4aff69b4909c75fdb00b85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc69b8d7f271ae351f410951f10fe2b095cc30dbb55f53c3228aad0753c36483",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-08-20T00:43:05Z",
    "title_canon_sha256": "b760bd83027042bc225a0d0603bc414c4aa4b57cbabdd3ddb76fdb14a804c751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07118",
    "kind": "arxiv",
    "version": 3
  }
}