Pith Number

pith:SHJGSM6H

pith:2014:SHJGSM6HEJ6HI3H5IY2JWHZU6Q

not attested not anchored not stored refs pending

On three measures of non-convexity

Jan Kyn\v{c}l, Josef Cibulka, Miroslav Korbel\'a\v{r}, Pavel Valtr, Rudolf Stola\v{r}, Viola M\'esz\'aros

arxiv:1410.0407 v2 · 2014-10-01 · math.MG · 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{SHJGSM6HEJ6HI3H5IY2JWHZU6Q}

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	2026-05-18T00:42:52.052498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91d26933c7227c746cfd46349b1f34f4273e0753f41c89d06c5614a15530bd31

Aliases

arxiv: 1410.0407 · arxiv_version: 1410.0407v2 · doi: 10.48550/arxiv.1410.0407 · pith_short_12: SHJGSM6HEJ6H · pith_short_16: SHJGSM6HEJ6HI3H5 · pith_short_8: SHJGSM6H

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/SHJGSM6HEJ6HI3H5IY2JWHZU6Q \
  | 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: 91d26933c7227c746cfd46349b1f34f4273e0753f41c89d06c5614a15530bd31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd44d449b1b3d9c230663db85cd67bb63781696f698f1184f0d39abfb87ade89",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-10-01T22:57:28Z",
    "title_canon_sha256": "d99059805936f1d66029f46314cff67961374d5087fcc5efa64963d5ccce6ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0407",
    "kind": "arxiv",
    "version": 2
  }
}