Pith Number

pith:G4XP5YV3

pith:2019:G4XP5YV3HJM6MOZRVHDRZKUKHH

not attested not anchored not stored refs pending

Background-subtracted Solar Activity Maps

Carsten Denker, Meetu Verma

arxiv:1905.06057 v1 · 2019-05-15 · 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{G4XP5YV3HJM6MOZRVHDRZKUKHH}

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	2026-05-17T23:43:02.085132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372efee2bb3a59e63b31a9c71caa8a39eb2125aa9135a57d741a6b4bb1a0f167

Aliases

arxiv: 1905.06057 · arxiv_version: 1905.06057v1 · doi: 10.48550/arxiv.1905.06057 · pith_short_12: G4XP5YV3HJM6 · pith_short_16: G4XP5YV3HJM6MOZR · pith_short_8: G4XP5YV3

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/G4XP5YV3HJM6MOZRVHDRZKUKHH \
  | 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: 372efee2bb3a59e63b31a9c71caa8a39eb2125aa9135a57d741a6b4bb1a0f167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fc7a444cbd388a4fe710b09cd9b0b6a25ff465afa340da98baa8c5816a22dff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-15T09:53:38Z",
    "title_canon_sha256": "8cb38fadc46878f6658cf082591fe644e56724d3f8659db363d53c588ee67947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06057",
    "kind": "arxiv",
    "version": 1
  }
}