Pith Number

pith:4EM6NMPN

pith:2017:4EM6NMPNZCOEKQ23UHGCSF5Z37

not attested not anchored not stored refs pending

Solar cycle indices from the photosphere to the corona: measurements and underlying physics

Andrey Tlatov, Ilaria Ermolli, Kiyoto Shibasaki, Lidia van Driel-Gesztelyi

arxiv:1705.07054 v1 · 2017-05-19 · 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{4EM6NMPNZCOEKQ23UHGCSF5Z37}

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	2026-05-18T00:44:10.720456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e119e6b1edc89c45435ba1cc2917b9dfeca104a39231b2526dfc40ab43e24f65

Aliases

arxiv: 1705.07054 · arxiv_version: 1705.07054v1 · doi: 10.48550/arxiv.1705.07054 · pith_short_12: 4EM6NMPNZCOE · pith_short_16: 4EM6NMPNZCOEKQ23 · pith_short_8: 4EM6NMPN

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/4EM6NMPNZCOEKQ23UHGCSF5Z37 \
  | 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: e119e6b1edc89c45435ba1cc2917b9dfeca104a39231b2526dfc40ab43e24f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff9b0df8509d59f1a6c3e25de8f04bf74856c19fde27b6072a4d4bac2e85f95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-19T15:36:09Z",
    "title_canon_sha256": "59c247feb04476b36169275548abf670f58acfb8d479f8df458b51aa6cbbb749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07054",
    "kind": "arxiv",
    "version": 1
  }
}