Pith Number

pith:PK3HIKDQ

pith:2019:PK3HIKDQBHF2U2QTOUTDZUOF5L

not attested not anchored not stored refs pending

Density distribution of photospheric vertical electric currents in flare active regions of the Sun

2), (2) Moscow Institute of Physics, (3) Purple Mountain Observatory of the Chinese Academy of Sciences), A.B. Nechaeva (1, I.N. Sharykin (1), I.V. Zimovets (1), Technology, W.Q. Gan (3) ((1) Space Research Institute of the Russian Academy of Sciences

arxiv:1908.09016 v1 · 2019-08-23 · 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{PK3HIKDQBHF2U2QTOUTDZUOF5L}

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	2026-07-04T23:59:36.084070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab674287009cbaa6a1375263cd1c5ead7f90ca2cf8aa4674b2d9f9ff9af0dc7

Aliases

arxiv: 1908.09016 · arxiv_version: 1908.09016v1 · doi: 10.48550/arxiv.1908.09016 · pith_short_12: PK3HIKDQBHF2 · pith_short_16: PK3HIKDQBHF2U2QT · pith_short_8: PK3HIKDQ

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/PK3HIKDQBHF2U2QTOUTDZUOF5L \
  | 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: 7ab674287009cbaa6a1375263cd1c5ead7f90ca2cf8aa4674b2d9f9ff9af0dc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723f9f5dbe01540db57b7ae6e6596ff6ada4d6b44154e0d4f5c5211b32fa2be0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-23T19:55:03Z",
    "title_canon_sha256": "268100db4feaf48b0a9e69c2c8fe8304b912ce396a216029ef94f48c096d97fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09016",
    "kind": "arxiv",
    "version": 1
  }
}