Pith Number

pith:DGYFMSNR

pith:2012:DGYFMSNRJIJRI7EYHFTLGGTGGW

not attested not anchored not stored refs pending

A topological set theory implied by ZF and GPK

Andreas Fackler

arxiv:1206.1927 v1 · 2012-06-09 · 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{DGYFMSNRJIJRI7EYHFTLGGTGGW}

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	2026-05-18T03:53:53.795754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b05649b14a13147c983966b31a6635955f3148158e8ac080376b485669ef6d

Aliases

arxiv: 1206.1927 · arxiv_version: 1206.1927v1 · doi: 10.48550/arxiv.1206.1927 · pith_short_12: DGYFMSNRJIJR · pith_short_16: DGYFMSNRJIJRI7EY · pith_short_8: DGYFMSNR

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/DGYFMSNRJIJRI7EYHFTLGGTGGW \
  | 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: 19b05649b14a13147c983966b31a6635955f3148158e8ac080376b485669ef6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d834810a03bc60431106d820a4a9fdce42cb3251533ebd7d90607c92dc0e9d00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-06-09T10:45:23Z",
    "title_canon_sha256": "81898b6617b0ba37f37b2b1024143e83109b2665c4adea62c8259f6f409e0378"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1927",
    "kind": "arxiv",
    "version": 1
  }
}