Pith Number

pith:HG3M5CSZ

pith:2013:HG3M5CSZBVP776446MXL6WGISV

not attested not anchored not stored refs pending

Polish G-spaces and continuous logic

Aleksander Ivanov, Barbara Majcher-Iwanow

arxiv:1304.5135 v4 · 2013-04-18 · math.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{HG3M5CSZBVP776446MXL6WGISV}

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	2026-05-18T01:28:26.355131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b6ce8a590d5ffffb9cf32ebf58c8955797ed4269bdffedf1fe92dbf6858c31

Aliases

arxiv: 1304.5135 · arxiv_version: 1304.5135v4 · doi: 10.48550/arxiv.1304.5135 · pith_short_12: HG3M5CSZBVP7 · pith_short_16: HG3M5CSZBVP77644 · pith_short_8: HG3M5CSZ

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/HG3M5CSZBVP776446MXL6WGISV \
  | 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: 39b6ce8a590d5ffffb9cf32ebf58c8955797ed4269bdffedf1fe92dbf6858c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee05a4a200581b3c8518d5525a004cd45c9b3f17d897d0f60243e01c6574e96b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-18T13:53:39Z",
    "title_canon_sha256": "c20410dcd97574e257f80dc644c0f9494559ed9bff83987412053d05a24d7898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5135",
    "kind": "arxiv",
    "version": 4
  }
}