Pith Number

pith:JEKYL5ZY

pith:2013:JEKYL5ZYU3U7THKCB4ELZPSKMB

not attested not anchored not stored refs pending

Heating of the magnetic chromosphere: observational constraints from Ca II 8542 spectra

(2) Lockheed Martin Solar, (3) University of Oslo), Astrophysics Laboratory, B. de Pontieu (2), J. de la Cruz Rodr\'iguez (1), L. H. M. Rouppe van der Voort (3) ((1) Uppsala University, M. Carlsson (3)

arxiv:1301.3141 v2 · 2013-01-14 · 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{JEKYL5ZYU3U7THKCB4ELZPSKMB}

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	2026-05-18T03:34:24.972979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

491585f738a6e9f99d420f08bcbe4a6065b7cc03d5d69ec0d07906dfd6d62118

Aliases

arxiv: 1301.3141 · arxiv_version: 1301.3141v2 · doi: 10.48550/arxiv.1301.3141 · pith_short_12: JEKYL5ZYU3U7 · pith_short_16: JEKYL5ZYU3U7THKC · pith_short_8: JEKYL5ZY

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/JEKYL5ZYU3U7THKCB4ELZPSKMB \
  | 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: 491585f738a6e9f99d420f08bcbe4a6065b7cc03d5d69ec0d07906dfd6d62118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df48b3d608b3b3e3ef649eab1b12084d36fc60aeaa1742ec128d55c1b84e60b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-14T21:00:11Z",
    "title_canon_sha256": "e7e69cf236d68b3634f8ef581ce75fa0c81ad03adeaec052355e7299dfdbf4de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3141",
    "kind": "arxiv",
    "version": 2
  }
}