Pith Number

pith:TR2ZDPQZ

pith:2023:TR2ZDPQZ7MK6PWHYM2ACGXRJEQ

not attested not anchored not stored refs pending

Observations of the chromospheric Evershed flow of sunspot penumbra

Francesco Schillir\`o, Mariachiara Falco, Paolo Romano

arxiv:2309.11186 v1 · 2023-09-20 · 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{TR2ZDPQZ7MK6PWHYM2ACGXRJEQ}

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	2026-07-05T06:52:32.449857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c7591be19fb15e7d8f86680235e29240a01f271c9d83e5180c31a0cf54405aa

Aliases

arxiv: 2309.11186 · arxiv_version: 2309.11186v1 · doi: 10.48550/arxiv.2309.11186 · pith_short_12: TR2ZDPQZ7MK6 · pith_short_16: TR2ZDPQZ7MK6PWHY · pith_short_8: TR2ZDPQZ

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/TR2ZDPQZ7MK6PWHYM2ACGXRJEQ \
  | 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: 9c7591be19fb15e7d8f86680235e29240a01f271c9d83e5180c31a0cf54405aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dcd2dc780a0ec6e3f7d6742e25b5814b9521c56c2fabb1dd0601498603998da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-09-20T10:17:34Z",
    "title_canon_sha256": "e1ffbf6eacfbcd269e5d0c9018ebb04b92a951c92478b0fe3b06aab970786267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.11186",
    "kind": "arxiv",
    "version": 1
  }
}