Pith Number

pith:KTEQXJHA

pith:2019:KTEQXJHABWDYLPBCDUGRHSW355

not attested not anchored not stored refs pending

Constrained convex bodies with extremal affine surface areas

C. Sch\"utt, E. M. Werner, H. Huang, O. Giladi

arxiv:1908.07897 v2 · 2019-08-21 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTEQXJHABWDYLPBCDUGRHSW355}

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	2026-07-05T00:43:19.752237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c90ba4e00d8785bc221d0d13cadbef7d292aa0b5fcd79fa8ff2233ce5ec380

Aliases

arxiv: 1908.07897 · arxiv_version: 1908.07897v2 · doi: 10.48550/arxiv.1908.07897 · pith_short_12: KTEQXJHABWDY · pith_short_16: KTEQXJHABWDYLPBC · pith_short_8: KTEQXJHA

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/KTEQXJHABWDYLPBCDUGRHSW355 \
  | 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: 54c90ba4e00d8785bc221d0d13cadbef7d292aa0b5fcd79fa8ff2233ce5ec380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9f0fde6743b924c1123714cbfef1f371c2abe7e91cfed19397a0cb4c07eb1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-08-21T14:44:15Z",
    "title_canon_sha256": "0706aa07b297d56eb60dcfcdc5c44f293112325dbc2d687a8caeae2174846924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07897",
    "kind": "arxiv",
    "version": 2
  }
}