Pith Number

pith:HJV6SEBI

pith:2001:HJV6SEBIWAEX65JAJGNMNVFOO5

not attested not anchored not stored refs pending

Are granules good tracers of solar surface velocity fields?

A. Nordlund, H.-G. Ludwig, M. Rieutord, R. Stein, T. Roudier

arxiv:astro-ph/0108284 v1 · 2001-08-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJV6SEBIWAEX65JAJGNMNVFOO5}

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	2026-07-04T16:23:59.104042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a6be91028b0097f7520499ac6d4ae7749e303dd5376fb777db51e9bb5e0dfac

Aliases

arxiv: astro-ph/0108284 · arxiv_version: astro-ph/0108284v1 · doi: 10.48550/arxiv.astro-ph/0108284 · pith_short_12: HJV6SEBIWAEX · pith_short_16: HJV6SEBIWAEX65JA · pith_short_8: HJV6SEBI

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/HJV6SEBIWAEX65JAJGNMNVFOO5 \
  | 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: 3a6be91028b0097f7520499ac6d4ae7749e303dd5376fb777db51e9bb5e0dfac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1242f7f97b8a02a3e18a3fba65f0bc77370a81e51f11f19872e61e5bca143053",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-17T12:48:48Z",
    "title_canon_sha256": "63410d2b283ef6353edcfa6c77a6f3fe7d4109ce7eb1991655f8a8e784cb7ffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108284",
    "kind": "arxiv",
    "version": 1
  }
}