Pith Number

pith:GBKFDGJY

pith:2015:GBKFDGJYRBTONKANJVBXMLSCZ2

not attested not anchored not stored refs pending

The deformation of symplectic critical surfaces in a K\"ahler surface-I

Jiayu Li, Jun Sun, Xiaoli Han

arxiv:1504.04138 v1 · 2015-04-16 · math.DG

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

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	2026-05-18T02:18:39.700744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30545199388866e6a80d4d43762e42ce804e22d5ff913adf13c8683ec983f5a4

Aliases

arxiv: 1504.04138 · arxiv_version: 1504.04138v1 · doi: 10.48550/arxiv.1504.04138 · pith_short_12: GBKFDGJYRBTO · pith_short_16: GBKFDGJYRBTONKAN · pith_short_8: GBKFDGJY

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/GBKFDGJYRBTONKANJVBXMLSCZ2 \
  | 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: 30545199388866e6a80d4d43762e42ce804e22d5ff913adf13c8683ec983f5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0d14b587987f75d1c2f09e4472ac68b5b19d249a31f8d66acc54cdb2640aee3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-04-16T08:35:44Z",
    "title_canon_sha256": "f6178c21be50e8f23fd731e2b038363aed848d1aa77f887cd3e4d233ec732a9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04138",
    "kind": "arxiv",
    "version": 1
  }
}