Pith Number

pith:H2USEV3U

pith:2017:H2USEV3UINL54I7KVFSGW6HSMT

not attested not anchored not stored refs pending

Spaces with a $\mathbb{Q}$-diagonal

Ziqin Feng

arxiv:1709.06879 v4 · 2017-09-20 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2USEV3UINL54I7KVFSGW6HSMT}

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	2026-05-18T00:07:28.260669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea92257744357de23eaa9646b78f264ef1bea4f0a46aa608645b3fa79d32d29

Aliases

arxiv: 1709.06879 · arxiv_version: 1709.06879v4 · doi: 10.48550/arxiv.1709.06879 · pith_short_12: H2USEV3UINL5 · pith_short_16: H2USEV3UINL54I7K · pith_short_8: H2USEV3U

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/H2USEV3UINL54I7KVFSGW6HSMT \
  | 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: 3ea92257744357de23eaa9646b78f264ef1bea4f0a46aa608645b3fa79d32d29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b8385bbd3c3f9a4760acae361d975b200c5c7ffaba71b55f3aec1e64881d940",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-09-20T14:14:31Z",
    "title_canon_sha256": "229d07c6ec00f20e39fce35ea0c155ac91100c0d4e095102126c86946bfdf7a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06879",
    "kind": "arxiv",
    "version": 4
  }
}