Pith Number

pith:PWRNIDHN

pith:2004:PWRNIDHNS6OP3Z2CD5UJQ3ZR24

not attested not anchored not stored refs pending

A connected F-space

Klaas Pieter Hart

arxiv:math/0403193 v1 · 2004-03-11 · math.GN · 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{PWRNIDHNS6OP3Z2CD5UJQ3ZR24}

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	2026-05-18T02:55:11.710625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da2d40ced979cfde7421f68986f31d713381013f2c57b20dd0b9f8db5c938a2

Aliases

arxiv: math/0403193 · arxiv_version: math/0403193v1 · doi: 10.48550/arxiv.math/0403193 · pith_short_12: PWRNIDHNS6OP · pith_short_16: PWRNIDHNS6OP3Z2C · pith_short_8: PWRNIDHN

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/PWRNIDHNS6OP3Z2CD5UJQ3ZR24 \
  | 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: 7da2d40ced979cfde7421f68986f31d713381013f2c57b20dd0b9f8db5c938a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb195fd02f51b4f6870f1281ade1f36345eccd2d654f227f6d4d8f8f4268aad",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2004-03-11T12:35:48Z",
    "title_canon_sha256": "6a20928acfdc2e0f2d5234412aeb6460f93667813c5d12b8148c65bc5f12cf0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0403193",
    "kind": "arxiv",
    "version": 1
  }
}