Pith Number

pith:CJY5VDPN

pith:2019:CJY5VDPNALGLTAXZYLTVCQECX2

not attested not anchored not stored refs pending

Existence of well-filterifications of $T_0$ topological spaces

Dongsheng Zhao, Guohua Wu, Xiaoquan Xu, Xiaoyong Xi

arxiv:1906.10832 v2 · 2019-06-26 · 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{CJY5VDPNALGLTAXZYLTVCQECX2}

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	2026-05-17T23:40:38.621424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1271da8ded02ccb982f9c2e7514082bebf59034a1360b46b062019e25d953bbe

Aliases

arxiv: 1906.10832 · arxiv_version: 1906.10832v2 · doi: 10.48550/arxiv.1906.10832 · pith_short_12: CJY5VDPNALGL · pith_short_16: CJY5VDPNALGLTAXZ · pith_short_8: CJY5VDPN

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/CJY5VDPNALGLTAXZYLTVCQECX2 \
  | 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: 1271da8ded02ccb982f9c2e7514082bebf59034a1360b46b062019e25d953bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4253bd7defa1cb995218ef6e26fe838ac0fa29830e74e3978ff2317081e72286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-06-26T03:52:12Z",
    "title_canon_sha256": "fe94643ffccb14a662f11b0e1c3adfcbcc821e3477d74ad40559fa1945a822dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10832",
    "kind": "arxiv",
    "version": 2
  }
}