Pith Number

pith:QVTGCC3K

pith:2018:QVTGCC3KZJZUNDOK3F2JTL6DKS

not attested not anchored not stored refs pending

Notes on Ricci solitons in $f$-cosymplectic manifolds

Xiaomin Chen

arxiv:1801.05530 v1 · 2018-01-17 · 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{QVTGCC3KZJZUNDOK3F2JTL6DKS}

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	2026-05-18T00:25:40.989844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8566610b6aca73468dcad97499afc35499592aa11ae220eae100e434d217be13

Aliases

arxiv: 1801.05530 · arxiv_version: 1801.05530v1 · doi: 10.48550/arxiv.1801.05530 · pith_short_12: QVTGCC3KZJZU · pith_short_16: QVTGCC3KZJZUNDOK · pith_short_8: QVTGCC3K

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/QVTGCC3KZJZUNDOK3F2JTL6DKS \
  | 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: 8566610b6aca73468dcad97499afc35499592aa11ae220eae100e434d217be13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609d18a61ee80f970e09a4da526a5bc6bd84b32be92abd24fb6a06ae6596f853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-17T02:41:08Z",
    "title_canon_sha256": "57c5ba3034f79202587117fd894cedf96ae192fc3bbb665f46d2dc1f27c42395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05530",
    "kind": "arxiv",
    "version": 1
  }
}