Pith Number

pith:MVP4URZA

pith:2004:MVP4URZAGCKRCTPAHS76H7D2QF

not attested not anchored not stored refs pending

Using Chandra/LETG spectra to probe stellar coronae

Adriaan A. van Ballegooijen, Andrea K. Dupree, Andrew Collier Cameron, Gaitee A.J. Hussain, Jean-Francois Donati, Moira Jardine, Nancy Brickhouse

arxiv:astro-ph/0403215 v1 · 2004-03-09 · 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{MVP4URZAGCKRCTPAHS76H7D2QF}

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	2026-07-04T15:52:20.040972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

655fca47203095114de03cbfe3fc7a814a9b474bdbcf6509bc8a14b30959a773

Aliases

arxiv: astro-ph/0403215 · arxiv_version: astro-ph/0403215v1 · doi: 10.48550/arxiv.astro-ph/0403215 · pith_short_12: MVP4URZAGCKR · pith_short_16: MVP4URZAGCKRCTPA · pith_short_8: MVP4URZA

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/MVP4URZAGCKRCTPAHS76H7D2QF \
  | 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: 655fca47203095114de03cbfe3fc7a814a9b474bdbcf6509bc8a14b30959a773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b3fa2b92d724c13fb7b7c293113a21729a6c2f22e9cc0afe98d8e85e71d9bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-09T16:29:24Z",
    "title_canon_sha256": "ad7885c034d82c668c9ff8ba5a9c1fc0613e305104f18e9547739b3961a7722c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403215",
    "kind": "arxiv",
    "version": 1
  }
}