Pith Number

pith:IKCEEP5V

pith:2012:IKCEEP5V74C6R7T5EYCWNOJPKC

not attested not anchored not stored refs pending

A conjecture of Godefroy concerning James' theorem

Hermann Pfitzner (MAPMO)

arxiv:1201.5471 v1 · 2012-01-26 · 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{IKCEEP5V74C6R7T5EYCWNOJPKC}

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	2026-05-18T04:03:46.198598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4284423fb5ff05e8fe7d260566b92f5086f198fc486de618d013fda78c858195

Aliases

arxiv: 1201.5471 · arxiv_version: 1201.5471v1 · doi: 10.48550/arxiv.1201.5471 · pith_short_12: IKCEEP5V74C6 · pith_short_16: IKCEEP5V74C6R7T5 · pith_short_8: IKCEEP5V

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/IKCEEP5V74C6R7T5EYCWNOJPKC \
  | 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: 4284423fb5ff05e8fe7d260566b92f5086f198fc486de618d013fda78c858195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac40da5853b421e47dbc5d8ae29e093ac91d54b532305df4fec394164e0d31b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-01-26T10:13:45Z",
    "title_canon_sha256": "3c43a65ce0f85c9fbaf42ae13300554872eb86f7a56c56e318a1ae6bac0c95c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5471",
    "kind": "arxiv",
    "version": 1
  }
}