Pith Number

pith:OHUHN4JI

pith:2011:OHUHN4JIOUBRYBJ5NP5AYWEHVJ

not attested not anchored not stored refs pending

Separable reduction theorems by the method of elementary submodels

Marek C\'uth

arxiv:1101.1627 v2 · 2011-01-08 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHUHN4JIOUBRYBJ5NP5AYWEHVJ}

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	2026-05-18T03:37:09.272040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71e876f12875031c053d6bfa0c5887aa59c7d09986770781e52d929bddeefb5c

Aliases

arxiv: 1101.1627 · arxiv_version: 1101.1627v2 · doi: 10.48550/arxiv.1101.1627 · pith_short_12: OHUHN4JIOUBR · pith_short_16: OHUHN4JIOUBRYBJ5 · pith_short_8: OHUHN4JI

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/OHUHN4JIOUBRYBJ5NP5AYWEHVJ \
  | 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: 71e876f12875031c053d6bfa0c5887aa59c7d09986770781e52d929bddeefb5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7c4fabd3e8146a427cd58e263ad9c715da20a43dfdb5eb3c2cb4ac2f7858e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-01-08T22:49:04Z",
    "title_canon_sha256": "017a32ef745a6d7782c220bc68882d753f3bd76618e69a81e11fd1590c30630e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1627",
    "kind": "arxiv",
    "version": 2
  }
}