Pith Number

pith:LJY75UVG

pith:2013:LJY75UVG5M5FMHMAPVC372EDGL

not attested not anchored not stored refs pending

Convex and Concave Soft Sets and Some Properties

Irfan Deli

arxiv:1307.4960 v1 · 2013-07-17 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJY75UVG5M5FMHMAPVC372EDGL}

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	2026-05-18T03:18:07.068376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a71fed2a6eb3a561d807d45bfe88332cc93fd577b7b1415d6d1c8e9a52845e8

Aliases

arxiv: 1307.4960 · arxiv_version: 1307.4960v1 · doi: 10.48550/arxiv.1307.4960 · pith_short_12: LJY75UVG5M5F · pith_short_16: LJY75UVG5M5FMHMA · pith_short_8: LJY75UVG

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/LJY75UVG5M5FMHMAPVC372EDGL \
  | 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: 5a71fed2a6eb3a561d807d45bfe88332cc93fd577b7b1415d6d1c8e9a52845e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dd1b0c627be509f2a78e882cee3929aa673ae8e945c8dc86b0821efc518df2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2013-07-17T07:42:53Z",
    "title_canon_sha256": "74d939b1a599a0f5945adbbdfeb171f5634975ac39ec264e8ad61404358120c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4960",
    "kind": "arxiv",
    "version": 1
  }
}