Pith Number

pith:B7EUJWWK

pith:2009:B7EUJWWK74C5GBT45SJMUOABUG

not attested not anchored not stored refs pending

Supersonic Evershed flow outside Sunspots

B. Ruiz Cobo, K. G. Puschmann, V. Martinez Pillet, Y. Katsukawa

arxiv:0907.3835 v1 · 2009-07-22 · 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{B7EUJWWK74C5GBT45SJMUOABUG}

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	2026-05-18T04:03:17.803023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc944dacaff05d3067cec92ca3801a18fdc8450768b208778582248bb377fff

Aliases

arxiv: 0907.3835 · arxiv_version: 0907.3835v1 · doi: 10.48550/arxiv.0907.3835 · pith_short_12: B7EUJWWK74C5 · pith_short_16: B7EUJWWK74C5GBT4 · pith_short_8: B7EUJWWK

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/B7EUJWWK74C5GBT45SJMUOABUG \
  | 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: 0fc944dacaff05d3067cec92ca3801a18fdc8450768b208778582248bb377fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76ddc1f1429b3e0b45ba5fe35f05a4359c485c429cb6d1d76e3c305016796e39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-22T13:09:31Z",
    "title_canon_sha256": "2aefa2bb8ba23f6adfae117e85c1e01921e90953e11a498b8478f31712068273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3835",
    "kind": "arxiv",
    "version": 1
  }
}