Pith Number

pith:FUYJBLWT

pith:2017:FUYJBLWT47UOPOA6NT2PRRJDJH

not attested not anchored not stored refs pending

Hypergraphs and proper forcing

Jindrich Zapletal

arxiv:1710.10650 v3 · 2017-10-29 · 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{FUYJBLWT47UOPOA6NT2PRRJDJH}

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	2026-05-18T00:29:45.332400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d3090aed3e7e8e7b81e6cf4f8c52349e273fd3534f86755225681696ca0c841

Aliases

arxiv: 1710.10650 · arxiv_version: 1710.10650v3 · doi: 10.48550/arxiv.1710.10650 · pith_short_12: FUYJBLWT47UO · pith_short_16: FUYJBLWT47UOPOA6 · pith_short_8: FUYJBLWT

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/FUYJBLWT47UOPOA6NT2PRRJDJH \
  | 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: 2d3090aed3e7e8e7b81e6cf4f8c52349e273fd3534f86755225681696ca0c841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fe598fb6c41aa5b6f3dcd5e9a5c6ec8e9293880d990567177fbb21374f4eaa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-10-29T17:11:08Z",
    "title_canon_sha256": "29dfedb18073705f3db11e33adcfff9766d98b311dfb54a9dd79bcfb41ef12c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10650",
    "kind": "arxiv",
    "version": 3
  }
}