Pith Number

pith:UCXKFUCE

pith:2011:UCXKFUCE64D2SRRBDV2PS3ZPXQ

not attested not anchored not stored refs pending

The Basal Chromospheric Mg II h+k Flux of Evolved Stars: Probing the Energy Dissipation of Giant Chromospheres

K.-P. Schroeder, M. Cuntz, M. I. Perez Martinez

arxiv:1102.4832 v2 · 2011-02-23 · 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{UCXKFUCE64D2SRRBDV2PS3ZPXQ}

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	2026-05-18T02:03:05.854760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0aea2d044f707a946211d74f96f2fbc0ac8e25e208e7a1ca3de0c117d8839c2

Aliases

arxiv: 1102.4832 · arxiv_version: 1102.4832v2 · doi: 10.48550/arxiv.1102.4832 · pith_short_12: UCXKFUCE64D2 · pith_short_16: UCXKFUCE64D2SRRB · pith_short_8: UCXKFUCE

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/UCXKFUCE64D2SRRBDV2PS3ZPXQ \
  | 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: a0aea2d044f707a946211d74f96f2fbc0ac8e25e208e7a1ca3de0c117d8839c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43f2516bd6afcc9fbed286e78e1b22bc63cb6d51ae421087a8435ec0c1c0ddf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-23T20:15:22Z",
    "title_canon_sha256": "5050d6a327f3f67702ea39f0de5a624bcde5f02afd186202951c8148cd2cde3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4832",
    "kind": "arxiv",
    "version": 2
  }
}