Pith Number

pith:YRULISYK

pith:2015:YRULISYKNCQ34MESR67C2PAFZY

not attested not anchored not stored refs pending

On Foreman's maximality principle

Mohammad Golshani, Yair Hayut

arxiv:1502.07470 v2 · 2015-02-26 · 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{YRULISYKNCQ34MESR67C2PAFZY}

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	2026-05-18T01:17:53.042195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c468b44b0a68a1be30928fbe2d3c05ce2511651278949836dc1c6077368f388f

Aliases

arxiv: 1502.07470 · arxiv_version: 1502.07470v2 · doi: 10.48550/arxiv.1502.07470 · pith_short_12: YRULISYKNCQ3 · pith_short_16: YRULISYKNCQ34MES · pith_short_8: YRULISYK

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/YRULISYKNCQ34MESR67C2PAFZY \
  | 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: c468b44b0a68a1be30928fbe2d3c05ce2511651278949836dc1c6077368f388f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "341e637bf61749f00dfe9cf155195c8b95257694545d246be4e1aa87cd063653",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-02-26T08:59:41Z",
    "title_canon_sha256": "21ede7521ec5b3510600b329065da9e5851a2f5ddbcbf5fe354cbee753ff9d1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07470",
    "kind": "arxiv",
    "version": 2
  }
}