Pith Number

pith:LQB5QWNZ

pith:2021:LQB5QWNZ3Q3XWPENDXLIJRFYMN

not attested not anchored not stored refs pending

Direct evidence: twisted flux tube emergence creates solar active regions

Breno Raphaldini, Chris Prior, David MacTaggart, Paolo Romano, Salvatore Guglielmino

arxiv:2106.11638 v1 · 2021-06-22 · 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{LQB5QWNZ3Q3XWPENDXLIJRFYMN}

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	2026-07-05T03:38:21.761327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c03d859b9dc377b3c8d1dd684c4b8636146d0a51b79d8ae86e8aada28df1b8f

Aliases

arxiv: 2106.11638 · arxiv_version: 2106.11638v1 · doi: 10.48550/arxiv.2106.11638 · pith_short_12: LQB5QWNZ3Q3X · pith_short_16: LQB5QWNZ3Q3XWPEN · pith_short_8: LQB5QWNZ

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/LQB5QWNZ3Q3XWPENDXLIJRFYMN \
  | 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: 5c03d859b9dc377b3c8d1dd684c4b8636146d0a51b79d8ae86e8aada28df1b8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6576875182209adf7f4eb3817501208871599de2ada0a3255be7714061a3874",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-06-22T09:44:59Z",
    "title_canon_sha256": "95168d159672134234ef2f7bcc1e74a9b9bd39ac3a9a03f58159a77983118e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11638",
    "kind": "arxiv",
    "version": 1
  }
}