Pith Number

pith:JNM326B2

pith:2009:JNM326B2TKJICZNINODNIMPXNO

not attested not anchored not stored refs pending

X-ray optical depth diagnostics of T Tauri accretion shocks

2), (2) INAF - Osservatorio Astronomico di Palermo, (3) Harvard-Smithsonian Center for Astrophysics, (4) Departamento de Astrofisica y Ciencias de la Atmosfera, A. Maggio (2), B. Stelzer (2) ((1) Dip. di Scienze Fisiche ed Astronomiche, Cambridge, C. Argiroffi (1, Facultad de Ciencias Fisicas, G. Peres (1, Italy, J. J. Drake (3), J. Lopez Santiago (4), MA, Madrid, Spain), S. Sciortino (2), Universidad Complutense de Madrid, Universita` di Palermo, USA

arxiv:0909.0218 v2 · 2009-09-01 · 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{JNM326B2TKJICZNINODNIMPXNO}

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	2026-05-18T02:12:12.048968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b59bd783a9a928165a86b86d431f76b801ecb46f74a7f658d3b8c7005e8baed

Aliases

arxiv: 0909.0218 · arxiv_version: 0909.0218v2 · doi: 10.48550/arxiv.0909.0218 · pith_short_12: JNM326B2TKJI · pith_short_16: JNM326B2TKJICZNI · pith_short_8: JNM326B2

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/JNM326B2TKJICZNINODNIMPXNO \
  | 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: 4b59bd783a9a928165a86b86d431f76b801ecb46f74a7f658d3b8c7005e8baed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "475ebdb8c671e7e6bd6aefd337770c4066729027c990c836a45fde661e6ed4c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-01T16:23:24Z",
    "title_canon_sha256": "66653efe3e8d61efd8e4855d56588d926d98eb7a70fb315feccf5f87b353b933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0218",
    "kind": "arxiv",
    "version": 2
  }
}