Pith Number

pith:LX3L2UGB

pith:2015:LX3L2UGB3HOYOSJPR22UXDAOCN

not attested not anchored not stored refs pending

Reconstruction of Solar Extreme Ultraviolet Flux 1740-2015

Leif Svalgaard

arxiv:1506.04408 v1 · 2015-06-14 · 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{LX3L2UGB3HOYOSJPR22UXDAOCN}

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	2026-05-18T01:05:46.254107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df6bd50c1d9dd87492f8eb54b8c0e1374b9fb6db4dc7a796cb2241448a311b3

Aliases

arxiv: 1506.04408 · arxiv_version: 1506.04408v1 · doi: 10.48550/arxiv.1506.04408 · pith_short_12: LX3L2UGB3HOY · pith_short_16: LX3L2UGB3HOYOSJP · pith_short_8: LX3L2UGB

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/LX3L2UGB3HOYOSJPR22UXDAOCN \
  | 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: 5df6bd50c1d9dd87492f8eb54b8c0e1374b9fb6db4dc7a796cb2241448a311b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "453f90c8e640f490dd3598eb527eb4093e5c29633c42736166fe003b7cf0134b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-14T15:45:38Z",
    "title_canon_sha256": "b9e28aee1497d2cc5028567168a0f8ce238c8850c4d54175b7b1733c431c7b83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04408",
    "kind": "arxiv",
    "version": 1
  }
}