Pith Number

pith:QYVDACUM

pith:2012:QYVDACUMDCMQAADJ4RKVGW735Q

not attested not anchored not stored refs pending

The Zakai equation of nonlinear filtering for jump-diffusion observation: existence and uniqueness

Claudia Ceci, Katia Colaneri

arxiv:1210.4279 v2 · 2012-10-16 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYVDACUMDCMQAADJ4RKVGW735Q}

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	2026-05-18T03:36:06.243387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

862a300a8c1899000069e455535bfbec29f264416a5d94e6d065892d877096f3

Aliases

arxiv: 1210.4279 · arxiv_version: 1210.4279v2 · doi: 10.48550/arxiv.1210.4279 · pith_short_12: QYVDACUMDCMQ · pith_short_16: QYVDACUMDCMQAADJ · pith_short_8: QYVDACUM

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/QYVDACUMDCMQAADJ4RKVGW735Q \
  | 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: 862a300a8c1899000069e455535bfbec29f264416a5d94e6d065892d877096f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e8175b3b5ad400d435d3ad0592a8de5ca1c6e7a2b95b3460aaef1da308f23f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-10-16T07:34:05Z",
    "title_canon_sha256": "866440911c8a034388ef42972080e02571dc05d742092aa04db2845b7447c11f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4279",
    "kind": "arxiv",
    "version": 2
  }
}