Pith Number

pith:3RVZFJD7

pith:2013:3RVZFJD7XFHIWC5OIBGNXTGWEM

not attested not anchored not stored refs pending

Variational Assimilation for Xenon Dynamical Forecasts in Neutronic using Advanced Background Error Covariance Matrix

Ang\'elique Pon\c{c}ot, Bertrand Bouriquet, Jean-Philippe Argaud, Olivier Thual, Patrick Erhard, Serge Gratton

arxiv:1304.6836 v1 · 2013-04-25 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3RVZFJD7XFHIWC5OIBGNXTGWEM}

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	2026-05-18T02:52:58.485690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc6b92a47fb94e8b0bae404cdbccd623019c2fa029add29c27ab0882f2d48ba3

Aliases

arxiv: 1304.6836 · arxiv_version: 1304.6836v1 · doi: 10.48550/arxiv.1304.6836 · pith_short_12: 3RVZFJD7XFHI · pith_short_16: 3RVZFJD7XFHIWC5O · pith_short_8: 3RVZFJD7

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/3RVZFJD7XFHIWC5OIBGNXTGWEM \
  | 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: dc6b92a47fb94e8b0bae404cdbccd623019c2fa029add29c27ab0882f2d48ba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f4699d1f8b461e212200c880e5459e85756c2487e1c345b321e82e6e56be89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2013-04-25T08:59:12Z",
    "title_canon_sha256": "dd0825b46d8c05b37730564bb4ba99a8519071139b9997585da5ff9af3aa5669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6836",
    "kind": "arxiv",
    "version": 1
  }
}