Pith Number

pith:2JYAWFYH

pith:2007:2JYAWFYHSWYV3PYEYYXMUCLPWI

not attested not anchored not stored refs pending

3D Hydrodynamical Simulations of Surface Convection in Red Giant Stars. Impact on spectral line formation and abundance analysis

Martin Asplund, Regner Trampedach, Remo Collet

arxiv:astro-ph/0703652 v1 · 2007-03-26 · 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{2JYAWFYHSWYV3PYEYYXMUCLPWI}

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	2026-07-04T17:07:49.388040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2700b170795b15dbf04c62eca096fb217a8ec7e2cb899ade41b1795842002b8

Aliases

arxiv: astro-ph/0703652 · arxiv_version: astro-ph/0703652v1 · doi: 10.48550/arxiv.astro-ph/0703652 · pith_short_12: 2JYAWFYHSWYV · pith_short_16: 2JYAWFYHSWYV3PYE · pith_short_8: 2JYAWFYH

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/2JYAWFYHSWYV3PYEYYXMUCLPWI \
  | 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: d2700b170795b15dbf04c62eca096fb217a8ec7e2cb899ade41b1795842002b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc462c84d844060452f0ee1b2cfd86cf2eb340b1d18cf621711cf5c040393644",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-26T15:14:48Z",
    "title_canon_sha256": "7f8d1af676c5df21157164b0aae33c69012eb00c2905c001ada7569fd446fe68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703652",
    "kind": "arxiv",
    "version": 1
  }
}