Pith Number

pith:NF26DAHP

pith:2013:NF26DAHPUYOPIMT3ZFOJHRN7E2

not attested not anchored not stored refs pending

On the theory of coconvex bodies

Askold Khovanskii, Vladlen Timorin

arxiv:1308.1781 v2 · 2013-08-08 · math.MG · math.AC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NF26DAHPUYOPIMT3ZFOJHRN7E2}

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	2026-05-18T03:05:37.730266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6975e180efa61cf4327bc95c93c5bf26955063f3c008e4af3e3490c3ca482725

Aliases

arxiv: 1308.1781 · arxiv_version: 1308.1781v2 · doi: 10.48550/arxiv.1308.1781 · pith_short_12: NF26DAHPUYOP · pith_short_16: NF26DAHPUYOPIMT3 · pith_short_8: NF26DAHP

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/NF26DAHPUYOPIMT3ZFOJHRN7E2 \
  | 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: 6975e180efa61cf4327bc95c93c5bf26955063f3c008e4af3e3490c3ca482725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27165f613e7ddc776ba93e44359f468f6a39d607e98473a238444f854b061da2",
    "cross_cats_sorted": [
      "math.AC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-08-08T08:23:04Z",
    "title_canon_sha256": "0d2f989eb4dcfe4a4e4069d76cf37334092644cd491241c8a77c43dc72594394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1781",
    "kind": "arxiv",
    "version": 2
  }
}