Pith Number

pith:FTIUUQLD

pith:2020:FTIUUQLDJBJXHZ3WW7DN3AIKAQ

not attested not anchored not stored refs pending

Continuous calibration of a digital twin: comparison of particle filter and Bayesian calibration approaches

Alastair Gregory, Mark Girolami, Melanie Jans-Singh, Rebecca Ward, Ruchi Choudhary

arxiv:2011.09810 v3 · 2020-11-19 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTIUUQLDJBJXHZ3WW7DN3AIKAQ}

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	2026-07-05T02:38:52.199623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cd14a4163485373e776b7c6dd810a040ba91a87d63c4544fb57a975019f4334

Aliases

arxiv: 2011.09810 · arxiv_version: 2011.09810v3 · doi: 10.48550/arxiv.2011.09810 · pith_short_12: FTIUUQLDJBJX · pith_short_16: FTIUUQLDJBJXHZ3W · pith_short_8: FTIUUQLD

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/FTIUUQLDJBJXHZ3WW7DN3AIKAQ \
  | 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: 2cd14a4163485373e776b7c6dd810a040ba91a87d63c4544fb57a975019f4334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a014bd655971535051b1c5a5da4e21b614080dbc28a6bc5f8ec0c04dd24b96b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2020-11-19T13:31:40Z",
    "title_canon_sha256": "2de269f0d48b5c3387b3b792437f3cdca978ad8eb2603350bbec2b9b70217db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.09810",
    "kind": "arxiv",
    "version": 3
  }
}