Pith Number

pith:UI5FTTIU

pith:2007:UI5FTTIUNMQTKY2AF5APWPUTAK

not attested not anchored not stored refs pending

Spectropolarimetric inversions of the Ca II 8498 A and 8542 A lines in the quiet Sun

A. Pietarila, H. Socas-Navarro, T. Bogdan

arxiv:0707.1310 v1 · 2007-07-09 · 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{UI5FTTIUNMQTKY2AF5APWPUTAK}

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	2026-05-18T04:29:33.823073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23a59cd146b213563402f40fb3e9302bbb9ad6d82746de33f4c1e51e93f31a5

Aliases

arxiv: 0707.1310 · arxiv_version: 0707.1310v1 · doi: 10.48550/arxiv.0707.1310 · pith_short_12: UI5FTTIUNMQT · pith_short_16: UI5FTTIUNMQTKY2A · pith_short_8: UI5FTTIU

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/UI5FTTIUNMQTKY2AF5APWPUTAK \
  | 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: a23a59cd146b213563402f40fb3e9302bbb9ad6d82746de33f4c1e51e93f31a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f01d3acc021e3f93397be604e5bcdb49b665adad312841eb786aebbde3b1f3a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-09T17:41:40Z",
    "title_canon_sha256": "510a835e589a65a5f29eeefb4b18d8b2c3ee1c1290135476ba1d112aaf06817c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.1310",
    "kind": "arxiv",
    "version": 1
  }
}