Pith Number

pith:SG4GQMLM

pith:2015:SG4GQMLMLVQYYRRRHSAXW52HO4

not attested not anchored not stored refs pending

Measurements of EUV Coronal Holes and Open Magnetic Flux

Chris Lowder, Jiong Qiu, Robert Leamon, Yang Liu

arxiv:1502.06038 v1 · 2015-02-20 · 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{SG4GQMLMLVQYYRRRHSAXW52HO4}

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	2026-05-18T02:26:38.220384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b868316c5d618c46313c817b7747773c083669655c0029bad83f30e1b06170

Aliases

arxiv: 1502.06038 · arxiv_version: 1502.06038v1 · doi: 10.48550/arxiv.1502.06038 · pith_short_12: SG4GQMLMLVQY · pith_short_16: SG4GQMLMLVQYYRRR · pith_short_8: SG4GQMLM

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/SG4GQMLMLVQYYRRRHSAXW52HO4 \
  | 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: 91b868316c5d618c46313c817b7747773c083669655c0029bad83f30e1b06170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358078d5755ed5df1b8410489ba384c24d258bc85927d5884abea8462237f30b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-20T23:37:37Z",
    "title_canon_sha256": "0fc3673fe3bc87d9e19b707177d1cbb92135acc480066df0a477ccaf64bccd3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06038",
    "kind": "arxiv",
    "version": 1
  }
}