Pith Number

pith:HRJKXEXU

pith:2014:HRJKXEXU2X2AJO4KX4SGQPD4BW

not attested not anchored not stored refs pending

Path-connectedness of the moduli spaces of metrics with positive isotropic curvature on four-manifolds

Bing-Long Chen, Xian-Tao Huang

arxiv:1401.0405 v1 · 2014-01-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRJKXEXU2X2AJO4KX4SGQPD4BW}

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	2026-05-18T03:03:23.299238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c52ab92f4d5f404bb8abf24683c7c0d92a6b2afb60c07a2c97894f516098fb0

Aliases

arxiv: 1401.0405 · arxiv_version: 1401.0405v1 · doi: 10.48550/arxiv.1401.0405 · pith_short_12: HRJKXEXU2X2A · pith_short_16: HRJKXEXU2X2AJO4K · pith_short_8: HRJKXEXU

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/HRJKXEXU2X2AJO4KX4SGQPD4BW \
  | 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: 3c52ab92f4d5f404bb8abf24683c7c0d92a6b2afb60c07a2c97894f516098fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6686b40ec7effb734b1881817846814f73ac74bce7b42c452ba1c16daf3bb9bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-01-02T10:16:03Z",
    "title_canon_sha256": "f6e55f21b9827a4a7c7ab7abe0896f2ca25b02eadf2801d8a52be52c84b5cb54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0405",
    "kind": "arxiv",
    "version": 1
  }
}