Pith Number

pith:M2LMRQB4

pith:2002:M2LMRQB4NH54MLE2WOANFPWFPT

not attested not anchored not stored refs pending

High-resolution X-ray spectroscopy of Procyon by Chandra and XMM-Newton

A.J.J. Raassen, C.R. Foley, E. Behar, J.S. Kaastra, J.-U. Ness, M. Audard, M. Guedel, R.L.J. van der Meer, R. Mewe

arxiv:astro-ph/0204385 v1 · 2002-04-23 · 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{M2LMRQB4NH54MLE2WOANFPWFPT}

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	2026-07-04T16:29:54.006881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6696c8c03c69fbc62c9ab380d2bec57ce3fc9d507869813ab0a46337efe4e030

Aliases

arxiv: astro-ph/0204385 · arxiv_version: astro-ph/0204385v1 · doi: 10.48550/arxiv.astro-ph/0204385 · pith_short_12: M2LMRQB4NH54 · pith_short_16: M2LMRQB4NH54MLE2 · pith_short_8: M2LMRQB4

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/M2LMRQB4NH54MLE2WOANFPWFPT \
  | 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: 6696c8c03c69fbc62c9ab380d2bec57ce3fc9d507869813ab0a46337efe4e030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "859706dc86bbc69d2a2c1f3cf18d5c225858252beea3d24982edd8970e8a2f32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-23T11:56:01Z",
    "title_canon_sha256": "ab638bdfeef4d8e69e38d45eb2298d7f798706448ec533a2c521a70bac08abc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204385",
    "kind": "arxiv",
    "version": 1
  }
}