Pith Number

pith:6WILPS4I

pith:2019:6WILPS4IZBBUZ6YXU75KFOWKKG

not attested not anchored not stored refs pending

Average motion of emerging solar active region polarities I: Two phases of emergence

Aaron C. Birch, Douglas C. Braun, Hannah Schunker, Laurent Gizon, Raymond B. Burston, Robert H. Cameron

arxiv:1903.11839 v2 · 2019-03-28 · 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{6WILPS4IZBBUZ6YXU75KFOWKKG}

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	2026-05-17T23:46:11.911046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f590b7cb88c8434cfb17a7faa2baca51a466c5080d265e1fb450763621232a8c

Aliases

arxiv: 1903.11839 · arxiv_version: 1903.11839v2 · doi: 10.48550/arxiv.1903.11839 · pith_short_12: 6WILPS4IZBBU · pith_short_16: 6WILPS4IZBBUZ6YX · pith_short_8: 6WILPS4I

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/6WILPS4IZBBUZ6YXU75KFOWKKG \
  | 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: f590b7cb88c8434cfb17a7faa2baca51a466c5080d265e1fb450763621232a8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f7a8b77029923a39df44206bf93f88e47f66ce5d0eb4c13966724e56fa6445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-28T08:53:36Z",
    "title_canon_sha256": "6e1b50c5054d997bf080b0e536f0dd64a2bca9329afaac45d564a4e5801c5164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11839",
    "kind": "arxiv",
    "version": 2
  }
}