Pith Number

pith:VARLHJIY

pith:2011:VARLHJIYREH62F5BXK4PIQZQ4M

not attested not anchored not stored refs pending

An analogue of the Baire Category Theorem

Philipp Hieronymi

arxiv:1101.1194 v5 · 2011-01-06 · 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{VARLHJIYREH62F5BXK4PIQZQ4M}

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	2026-05-18T03:35:26.440671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a822b3a518890fed17a1bab8f44330e32b6f8b5d8e38bcdc89441b0d39074064

Aliases

arxiv: 1101.1194 · arxiv_version: 1101.1194v5 · doi: 10.48550/arxiv.1101.1194 · pith_short_12: VARLHJIYREH6 · pith_short_16: VARLHJIYREH62F5B · pith_short_8: VARLHJIY

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/VARLHJIYREH62F5BXK4PIQZQ4M \
  | 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: a822b3a518890fed17a1bab8f44330e32b6f8b5d8e38bcdc89441b0d39074064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6a9f68e590aa7174cce03cecc973aed968fd9fe47f9b8d250d2a829468dad99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-01-06T11:34:57Z",
    "title_canon_sha256": "dea0dbd10edbdf0594ff239543780af028c01ce7cd0d6d3872f1c9d7c970d5b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1194",
    "kind": "arxiv",
    "version": 5
  }
}