Pith Number

pith:UVNDMRHG

pith:2018:UVNDMRHGFJID4LDIDDYI5NEW65

not attested not anchored not stored refs pending

Connected door spaces and topological solutions of equations

Chunli Wang, Dong Zhang, Jianfeng Wu

arxiv:1809.03085 v1 · 2018-09-10 · math.GN

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	2026-05-18T00:06:10.109868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a55a3644e62a503e2c6818f08eb496f76f182d5439dacc88674c473e946e8364

Aliases

arxiv: 1809.03085 · arxiv_version: 1809.03085v1 · doi: 10.48550/arxiv.1809.03085 · pith_short_12: UVNDMRHGFJID · pith_short_16: UVNDMRHGFJID4LDI · pith_short_8: UVNDMRHG

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/UVNDMRHGFJID4LDIDDYI5NEW65 \
  | 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: a55a3644e62a503e2c6818f08eb496f76f182d5439dacc88674c473e946e8364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02da4a6a2b6c22ed6335092814368cc41688e93d0230234d5bb95d5ddb365677",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-09-10T02:11:16Z",
    "title_canon_sha256": "11464e7ab36f6e7ca58220ca2686101da7d7109c8683a9469e176a9d259173f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03085",
    "kind": "arxiv",
    "version": 1
  }
}