Pith Number

pith:FOX3XS3C

pith:2015:FOX3XS3CQGBBQX3B2ZNFODPSH4

not attested not anchored not stored refs pending

A study on central soft sets: Definitions and basic operations

Xuechong Guan

arxiv:1506.02812 v1 · 2015-06-09 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOX3XS3CQGBBQX3B2ZNFODPSH4}

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	2026-05-18T01:55:40.841647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bafbbcb628182185f61d65a570df23f1cc4033b46f8c245b8d294bd17f6c72f

Aliases

arxiv: 1506.02812 · arxiv_version: 1506.02812v1 · doi: 10.48550/arxiv.1506.02812 · pith_short_12: FOX3XS3CQGBB · pith_short_16: FOX3XS3CQGBBQX3B · pith_short_8: FOX3XS3C

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/FOX3XS3CQGBBQX3B2ZNFODPSH4 \
  | 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: 2bafbbcb628182185f61d65a570df23f1cc4033b46f8c245b8d294bd17f6c72f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45bebba2d034ba576b080f8c2ba8dea38b550cf925aeec71e1e6ca9d2b326cbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-06-09T07:54:03Z",
    "title_canon_sha256": "50ad1fed9e18a708cc85fb868975c7d397b0a4a1e267d2673fd758f396b006bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02812",
    "kind": "arxiv",
    "version": 1
  }
}