Pith Number

pith:6JBFDQHU

pith:2009:6JBFDQHU2LK4SXEDGDTZ5GWRES

not attested not anchored not stored refs pending

Spectroscopy and hydrodynamics of dense stellar winds

A. Feldmeier, G. Graefener, L. M. Oskinova, W.-R. Hamann

arxiv:0909.0627 v1 · 2009-09-03 · 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{6JBFDQHU2LK4SXEDGDTZ5GWRES}

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	2026-05-18T02:34:36.628212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f24251c0f4d2d5c95c8330e79e9ad124bdd5bc6c4f14c83e987e347e1dbe6fd9

Aliases

arxiv: 0909.0627 · arxiv_version: 0909.0627v1 · doi: 10.48550/arxiv.0909.0627 · pith_short_12: 6JBFDQHU2LK4 · pith_short_16: 6JBFDQHU2LK4SXED · pith_short_8: 6JBFDQHU

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/6JBFDQHU2LK4SXEDGDTZ5GWRES \
  | 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: f24251c0f4d2d5c95c8330e79e9ad124bdd5bc6c4f14c83e987e347e1dbe6fd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35af0ff7b2db676b6368e357d8ce5bd073e7b27b74c71ffc4a79ef0ebf4fd555",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-03T11:34:16Z",
    "title_canon_sha256": "941ed245a348f7b1041a3dcd2e360ac6e8c2dec989e202b6b200e4249d560e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0627",
    "kind": "arxiv",
    "version": 1
  }
}