Pith Number

pith:IGZ4JH4V

pith:2009:IGZ4JH4VZSONUPMIQV6DRFQ6RN

not attested not anchored not stored refs pending

Convection and the Origin of Evershed Flows

(2) Institute for Solar Physics, A. Nordlund (1), Copenhagen, G. B. Scharmer (2) ((1) Niels Bohr Institute, Stockholm)

arxiv:0905.0918 v1 · 2009-05-06 · 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{IGZ4JH4VZSONUPMIQV6DRFQ6RN}

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	2026-05-18T02:13:46.960860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b3c49f95cc9cda3d88857c38961e8b7c766327ba95473bd4904715a72df401

Aliases

arxiv: 0905.0918 · arxiv_version: 0905.0918v1 · doi: 10.48550/arxiv.0905.0918 · pith_short_12: IGZ4JH4VZSON · pith_short_16: IGZ4JH4VZSONUPMI · pith_short_8: IGZ4JH4V

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/IGZ4JH4VZSONUPMIQV6DRFQ6RN \
  | 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: 41b3c49f95cc9cda3d88857c38961e8b7c766327ba95473bd4904715a72df401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d5c21b7999acd10afd79e5b85b9f6794ebd2300d52e111a24360277f6ace63b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-06T20:59:36Z",
    "title_canon_sha256": "a5a99d2c4a58965d198b99d6fbec274dbba246c0acc08218b5e996ddb28056bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0918",
    "kind": "arxiv",
    "version": 1
  }
}