Pith Number

pith:DNKA7EKN

pith:2012:DNKA7EKNOI6ADAIHZ67QQ2RSUM

not attested not anchored not stored refs pending

On the connection of facially exposed and nice cones

Gabor Pataki

arxiv:1202.4043 v4 · 2012-02-18 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNKA7EKNOI6ADAIHZ67QQ2RSUM}

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	2026-05-18T03:41:01.251505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b540f914d723c018107cfbf086a32a31d5c016185e7a8531c35d01cbcb4688c

Aliases

arxiv: 1202.4043 · arxiv_version: 1202.4043v4 · doi: 10.48550/arxiv.1202.4043 · pith_short_12: DNKA7EKNOI6A · pith_short_16: DNKA7EKNOI6ADAIH · pith_short_8: DNKA7EKN

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/DNKA7EKNOI6ADAIHZ67QQ2RSUM \
  | 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: 1b540f914d723c018107cfbf086a32a31d5c016185e7a8531c35d01cbcb4688c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2ccaa1abfea10ffe0f29fdb8ab1be55739b256bca8680f063e01e2ec4c913a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-02-18T00:21:09Z",
    "title_canon_sha256": "6f7c1c50a59c2e07262b4ced1171e937e5065220775afead6ff91df9a971364e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4043",
    "kind": "arxiv",
    "version": 4
  }
}