Pith Number

pith:M4FDAIM2

pith:2015:M4FDAIM2CMJAUDUJIFEWEBPSRU

not attested not anchored not stored refs pending

Magidor-Malitz Reflection

Yair Hayut

arxiv:1512.09299 v4 · 2015-12-31 · 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{M4FDAIM2CMJAUDUJIFEWEBPSRU}

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	2026-05-18T00:09:36.900482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

670a30219a13120a0e8941496205f28d20a16163fb34ef27a5ace3025658c31f

Aliases

arxiv: 1512.09299 · arxiv_version: 1512.09299v4 · doi: 10.48550/arxiv.1512.09299 · pith_short_12: M4FDAIM2CMJA · pith_short_16: M4FDAIM2CMJAUDUJ · pith_short_8: M4FDAIM2

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/M4FDAIM2CMJAUDUJIFEWEBPSRU \
  | 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: 670a30219a13120a0e8941496205f28d20a16163fb34ef27a5ace3025658c31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b19b96dab94e46d2770c1fa265d0b6a13b3b5b9775f9c6e3ad5529639c5fdecb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-12-31T14:41:04Z",
    "title_canon_sha256": "f96e838994684d4a4813e03b103bb2635968b929b925b8e104cdb2d13aa4f3fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09299",
    "kind": "arxiv",
    "version": 4
  }
}