Pith Number

pith:SLH53XQA

pith:2018:SLH53XQAYWCAMHC4SXZ6C4VAGF

not attested not anchored not stored refs pending

Continuous data assimilation with blurred-in-time measurements of the surface quasi-geostrophic equation

Edriss S. Titi, Eric J. Olson, Michael S. Jolly, Vincent R. Martinez

arxiv:1809.00106 v1 · 2018-09-01 · math.AP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLH53XQAYWCAMHC4SXZ6C4VAGF}

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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	2026-05-18T00:06:36.096714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92cfddde00c584061c5c95f3e172a031790b211eed9b7a273e8146bfb50026f3

Aliases

arxiv: 1809.00106 · arxiv_version: 1809.00106v1 · doi: 10.48550/arxiv.1809.00106 · pith_short_12: SLH53XQAYWCA · pith_short_16: SLH53XQAYWCAMHC4 · pith_short_8: SLH53XQA

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/SLH53XQAYWCAMHC4SXZ6C4VAGF \
  | 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: 92cfddde00c584061c5c95f3e172a031790b211eed9b7a273e8146bfb50026f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bf6c8539a200ac8087a03ee89dfaf07c61f30bd591e6cf89fc27dd55ec3a841",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-01T02:59:54Z",
    "title_canon_sha256": "acffb37fe1bbd50af69e8df0efd5bb389a6e683a9dc6bd15e8e546e4fea5d501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00106",
    "kind": "arxiv",
    "version": 1
  }
}