Pith Number

pith:IDD5JM2E

pith:2019:IDD5JM2EL2PUH4KTNWKLPEI3SQ

not attested not anchored not stored refs pending

Identity crises between supercompactness and Vopenka's Principle

Alejandro Poveda, Menachem Magidor, Yair Hayut

arxiv:1905.12289 v1 · 2019-05-29 · 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{IDD5JM2EL2PUH4KTNWKLPEI3SQ}

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	2026-05-17T23:44:44.742755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c7d4b3445e9f43f1536d94b7911b940589c90011ed3f15946a1bdbb5e44f34

Aliases

arxiv: 1905.12289 · arxiv_version: 1905.12289v1 · doi: 10.48550/arxiv.1905.12289 · pith_short_12: IDD5JM2EL2PU · pith_short_16: IDD5JM2EL2PUH4KT · pith_short_8: IDD5JM2E

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/IDD5JM2EL2PUH4KTNWKLPEI3SQ \
  | 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: 40c7d4b3445e9f43f1536d94b7911b940589c90011ed3f15946a1bdbb5e44f34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f479fe0047c98a1c33b3f3ee4bf3bc7c3ddbecd6381f5fc65fcc3854438b6ce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-29T09:36:31Z",
    "title_canon_sha256": "6dd170b45b962f0d13a1921536d02951394f8c5883580d6718ee15d72c824a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12289",
    "kind": "arxiv",
    "version": 1
  }
}