Pith Number

pith:EXN2I2IM

pith:2017:EXN2I2IMK3QBOVM6WZGSWUQVQH

not attested not anchored not stored refs pending

A Weak Coherence Theorem and Remarks to the Oka Theory

Junjiro Noguchi

arxiv:1704.07726 v3 · 2017-04-25 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXN2I2IMK3QBOVM6WZGSWUQVQH}

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	2026-05-18T00:10:13.765225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25dba4690c56e017559eb64d2b521581e700cbdacc69c38326972cfbd3371580

Aliases

arxiv: 1704.07726 · arxiv_version: 1704.07726v3 · doi: 10.48550/arxiv.1704.07726 · pith_short_12: EXN2I2IMK3QB · pith_short_16: EXN2I2IMK3QBOVM6 · pith_short_8: EXN2I2IM

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/EXN2I2IMK3QBOVM6WZGSWUQVQH \
  | 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: 25dba4690c56e017559eb64d2b521581e700cbdacc69c38326972cfbd3371580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9b97da99e1d2a6288b3b979c44bc0865b44a80b3d2c52a8e84ae569ffb1a4d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-04-25T14:57:47Z",
    "title_canon_sha256": "9ecac82529c152ceab241351c42225746bf4b85a65f452d4c881c50ffa87d697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07726",
    "kind": "arxiv",
    "version": 3
  }
}