Pith Number

pith:NIUQ5GFS

pith:2014:NIUQ5GFSYMBUIMPGJOFZFGOA5Z

not attested not anchored not stored refs pending

Concrete examples of $\mathscr{H}(b)$ spaces

Andreas Hartmann (IMB), Emmanuel Fricain, William T. Ross

arxiv:1405.2323 v2 · 2014-05-09 · 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{NIUQ5GFSYMBUIMPGJOFZFGOA5Z}

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	2026-05-18T02:49:03.016229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a290e98b2c3034431e64b8b9299c0ee438b8b96049a8172d323269ff462b09b

Aliases

arxiv: 1405.2323 · arxiv_version: 1405.2323v2 · doi: 10.48550/arxiv.1405.2323 · pith_short_12: NIUQ5GFSYMBU · pith_short_16: NIUQ5GFSYMBUIMPG · pith_short_8: NIUQ5GFS

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/NIUQ5GFSYMBUIMPGJOFZFGOA5Z \
  | 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: 6a290e98b2c3034431e64b8b9299c0ee438b8b96049a8172d323269ff462b09b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21f6581ae1a64e6ef8c437fb7bbde5a5c495836c63b138c9686eb8ff5b7fb4d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-05-09T19:16:05Z",
    "title_canon_sha256": "21ae27147157177c97cfef0991f7f4ec83beaf0bca9958166f66992604f7b3a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2323",
    "kind": "arxiv",
    "version": 2
  }
}