Pith Number

pith:D2WQEFEQ

pith:2019:D2WQEFEQNHXNACXQAJV3FAFSTJ

not attested not anchored not stored refs pending

A Research on the Force-Freeness of Photosphere Magnetic Field

J. Hao, S. Liu

arxiv:1902.00308 v1 · 2019-02-01 · 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{D2WQEFEQNHXNACXQAJV3FAFSTJ}

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	2026-05-17T23:54:57.814782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ead02149069eed00af0026bb280b29a5250250ddce3fab22fa1726f961cd59e

Aliases

arxiv: 1902.00308 · arxiv_version: 1902.00308v1 · doi: 10.48550/arxiv.1902.00308 · pith_short_12: D2WQEFEQNHXN · pith_short_16: D2WQEFEQNHXNACXQ · pith_short_8: D2WQEFEQ

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/D2WQEFEQNHXNACXQAJV3FAFSTJ \
  | 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: 1ead02149069eed00af0026bb280b29a5250250ddce3fab22fa1726f961cd59e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a9bb90582d050cd9940bd6b618825c28cf3ba575d23ff203e348fae74ae4009",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-01T12:54:31Z",
    "title_canon_sha256": "a70c4250dc12772b3acc0b86d2a4c1cd1cc5b9429a859dc84e156559c806207f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00308",
    "kind": "arxiv",
    "version": 1
  }
}