Pith Number

pith:65GMLM4M

pith:2017:65GMLM4MECMKJPIALEHC37SJ3Y

not attested not anchored not stored refs pending

Diffusion forecasting model with basis functions from QR decomposition

Haizhao Yang, John Harlim

arxiv:1708.00389 v2 · 2017-08-01 · math.NA · nlin.CD

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	2026-05-18T00:25:56.077347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f74cc5b38c2098a4bd00590e2dfe49de1d0af61878c8998c4d1570271d4c5ee6

Aliases

arxiv: 1708.00389 · arxiv_version: 1708.00389v2 · doi: 10.48550/arxiv.1708.00389 · pith_short_12: 65GMLM4MECMK · pith_short_16: 65GMLM4MECMKJPIA · pith_short_8: 65GMLM4M

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/65GMLM4MECMKJPIALEHC37SJ3Y \
  | 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: f74cc5b38c2098a4bd00590e2dfe49de1d0af61878c8998c4d1570271d4c5ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc691fc3664be8e87ee45bb950dfeffd70b240de1fe33e0f839a82011b2fd595",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-01T15:32:56Z",
    "title_canon_sha256": "333c3e1626cea45da2fbf7f184ba165e07773fc0fb32ecb52ccd82ffee12f904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00389",
    "kind": "arxiv",
    "version": 2
  }
}