Pith Number

pith:TRGUWKR2

pith:2021:TRGUWKR2DH2JGGI4BMM3ZOWTWR

not attested not anchored not stored refs pending

Non-Boussinesq convection at low Prandtl numbers relevant to the Sun

Ambrish Pandey, J\"org Schumacher, Katepalli R. Sreenivasan

arxiv:2108.04472 v2 · 2021-08-10 · physics.flu-dyn · 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{TRGUWKR2DH2JGGI4BMM3ZOWTWR}

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	2026-07-05T03:26:19.985658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c4d4b2a3a19f493191c0b19bcbad3b454919b2a941c0e526489fb52fcb1544f

Aliases

arxiv: 2108.04472 · arxiv_version: 2108.04472v2 · doi: 10.48550/arxiv.2108.04472 · pith_short_12: TRGUWKR2DH2J · pith_short_16: TRGUWKR2DH2JGGI4 · pith_short_8: TRGUWKR2

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/TRGUWKR2DH2JGGI4BMM3ZOWTWR \
  | 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: 9c4d4b2a3a19f493191c0b19bcbad3b454919b2a941c0e526489fb52fcb1544f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca7bc1d8bd36ae5522551a11b2856ab00de12c6d926e5eccddaff5d149a5918a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-08-10T06:41:20Z",
    "title_canon_sha256": "6ae4e1c2a37e4e25d72693147f0264dc8b307dcc18232bf2f3dcf8cf4be80621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04472",
    "kind": "arxiv",
    "version": 2
  }
}