Pith Number

pith:PORAI6NM

pith:2023:PORAI6NM3M2GWJNHWKLUGW3CKG

not attested not anchored not stored refs pending

Removal Of Active Region Inflows Reveals a Weak Solar Cycle Scale Trend In Near-surface Meridional Flow

Junwei Zhao, Sushant S. Mahajan, Xudong Sun

arxiv:2304.02158 v1 · 2023-04-04 · 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{PORAI6NM3M2GWJNHWKLUGW3CKG}

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	2026-07-05T06:25:26.156202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba20479acdb346b25a7b297435b6251bb8a4bce942ff54963c01b47b1cc7a82

Aliases

arxiv: 2304.02158 · arxiv_version: 2304.02158v1 · doi: 10.48550/arxiv.2304.02158 · pith_short_12: PORAI6NM3M2G · pith_short_16: PORAI6NM3M2GWJNH · pith_short_8: PORAI6NM

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/PORAI6NM3M2GWJNHWKLUGW3CKG \
  | 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: 7ba20479acdb346b25a7b297435b6251bb8a4bce942ff54963c01b47b1cc7a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb0bec5aeb5d443aa288c21cf63e7c13bc59129de995f5fee2104c76c6ae6242",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-04-04T23:14:56Z",
    "title_canon_sha256": "22f209dc7ce5dcc231522db59d2673bdaa5a42266779313ab0c7e7399c1b67fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.02158",
    "kind": "arxiv",
    "version": 1
  }
}