Pith Number

pith:367CTRLH

pith:2019:367CTRLHALYPZGL3R4JYWIRKYE

not attested not anchored not stored refs pending

On some kinds of weakly sober spaces

Xiaoquan Xu, Xinpeng Wen

arxiv:1907.06316 v1 · 2019-07-15 · 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{367CTRLHALYPZGL3R4JYWIRKYE}

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	2026-05-17T23:40:37.943427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfbe29c56702f0fc997b8f138b222ac1080d0156c67459395091ca7e63216383

Aliases

arxiv: 1907.06316 · arxiv_version: 1907.06316v1 · doi: 10.48550/arxiv.1907.06316 · pith_short_12: 367CTRLHALYP · pith_short_16: 367CTRLHALYPZGL3 · pith_short_8: 367CTRLH

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/367CTRLHALYPZGL3R4JYWIRKYE \
  | 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: dfbe29c56702f0fc997b8f138b222ac1080d0156c67459395091ca7e63216383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d224d4fa87fe1a7166b40a96239c7205817bd8fd15c903249acf19448e5d3438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-07-15T02:43:15Z",
    "title_canon_sha256": "b95c2b43e04f650cc7c7ced7d359329488323f3a8fa5e1f6f36a2e56c68e5345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06316",
    "kind": "arxiv",
    "version": 1
  }
}