Pith Number

pith:D7J4KM6B

pith:2019:D7J4KM6BUNXPUYTVYKDWYWDXUF

not attested not anchored not stored refs pending

Scalar curvatures in almost Hermitian geometry and some applications

Jixiang Fu, Xianchao Zhou

arxiv:1901.10130 v1 · 2019-01-29 · 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{D7J4KM6BUNXPUYTVYKDWYWDXUF}

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	2026-05-17T23:55:16.078069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd3c533c1a36efa6275c2876c5877a147104c342206a5a07a72ad5da72d6138

Aliases

arxiv: 1901.10130 · arxiv_version: 1901.10130v1 · doi: 10.48550/arxiv.1901.10130 · pith_short_12: D7J4KM6BUNXP · pith_short_16: D7J4KM6BUNXPUYTV · pith_short_8: D7J4KM6B

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/D7J4KM6BUNXPUYTVYKDWYWDXUF \
  | 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: 1fd3c533c1a36efa6275c2876c5877a147104c342206a5a07a72ad5da72d6138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd046c0cbda02507dc6d7aa609f085d6780d2ac68577ce2583e3cc0ca9f5e462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-01-29T06:40:55Z",
    "title_canon_sha256": "2413f56506d33ba0362b2954924bf589ac059aeed285b9cb43d1d0502df45788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10130",
    "kind": "arxiv",
    "version": 1
  }
}