Pith Number

pith:VCBOUMND

pith:2014:VCBOUMNDRTSF5JEC4KGZNRUCER

not attested not anchored not stored refs pending

Ensemble Kalman filter data assimilation in a Babcock-Leighton solar dynamo model: an observation system simulation experiment for reconstructing meridional flow-speed

Dhrubaditya Mitra, Jeffrey L. Anderson, Mausumi Dikpati

arxiv:1408.5113 v1 · 2014-08-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCBOUMNDRTSF5JEC4KGZNRUCER}

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	2026-05-18T02:44:40.687822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a882ea31a38ce45ea482e28d96c6822464f488fec4e9d9c8805b9829d9892eb4

Aliases

arxiv: 1408.5113 · arxiv_version: 1408.5113v1 · doi: 10.48550/arxiv.1408.5113 · pith_short_12: VCBOUMNDRTSF · pith_short_16: VCBOUMNDRTSF5JEC · pith_short_8: VCBOUMND

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/VCBOUMNDRTSF5JEC4KGZNRUCER \
  | 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: a882ea31a38ce45ea482e28d96c6822464f488fec4e9d9c8805b9829d9892eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf7f0b3d56f5f1a1c9df23e1ff2ed1fd1ce3c8b934d9307978c1178b1f234f91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-21T19:09:51Z",
    "title_canon_sha256": "84088c03357d635e655dd75d6551ee75281ec3bbbe743a1e6854af7b280f3a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5113",
    "kind": "arxiv",
    "version": 1
  }
}