Pith Number

pith:C5WTPCF4

pith:2025:C5WTPCF4R6LUBGHOX6PDQLDZEM

not attested not anchored not stored refs pending

Sequential Bayesian parameter-state estimation in dynamical systems with noisy and incomplete observations via a variational framework

Alex Gorodetsky, Liliang Wang

arxiv:2512.25056 v2 · 2025-12-31 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5WTPCF4R6LUBGHOX6PDQLDZEM}

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	2026-06-12T01:08:20.315262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

176d3788bc8f974098eebf9e382c7923163a01ce219362eac55cb51591df21bc

Aliases

arxiv: 2512.25056 · arxiv_version: 2512.25056v2 · doi: 10.48550/arxiv.2512.25056 · pith_short_12: C5WTPCF4R6LU · pith_short_16: C5WTPCF4R6LUBGHO · pith_short_8: C5WTPCF4

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/C5WTPCF4R6LUBGHOX6PDQLDZEM \
  | 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: 176d3788bc8f974098eebf9e382c7923163a01ce219362eac55cb51591df21bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a5c68904ea16503f51e970d32c662d99713e1b12ce6e4776269649c8c2faca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-12-31T18:52:07Z",
    "title_canon_sha256": "971b6c5d0142a6527f859a843de2b9d55d62a8ee04134fcd118a941e5dd30929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.25056",
    "kind": "arxiv",
    "version": 2
  }
}