Pith Number

pith:CZAEVCR7

pith:2015:CZAEVCR77ZP2MRIX2CNY6ET6S7

not attested not anchored not stored refs pending

PFA and precipitousness of the nonstationary ideal

Boban Velickovic

arxiv:1504.05326 v1 · 2015-04-21 · 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{CZAEVCR77ZP2MRIX2CNY6ET6S7}

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	2026-05-18T02:18:14.528880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16404a8a3ffe5fa64517d09b8f127e97f55be9eb628ffc9f8c9debf01450ba3e

Aliases

arxiv: 1504.05326 · arxiv_version: 1504.05326v1 · doi: 10.48550/arxiv.1504.05326 · pith_short_12: CZAEVCR77ZP2 · pith_short_16: CZAEVCR77ZP2MRIX · pith_short_8: CZAEVCR7

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/CZAEVCR77ZP2MRIX2CNY6ET6S7 \
  | 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: 16404a8a3ffe5fa64517d09b8f127e97f55be9eb628ffc9f8c9debf01450ba3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71accff0292864328e0d8cc826c381eb5125ec1a04ad26ff3b99c58b527d56c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-04-21T08:03:40Z",
    "title_canon_sha256": "a6d50e42aded2e717da0f1b230a7610d5d0ee1addd4eae8bd1c6aa9a93ae8b08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05326",
    "kind": "arxiv",
    "version": 1
  }
}