Pith Number

pith:FARSA3KA

pith:2012:FARSA3KAMMIZSY5VZHVCDR7ACT

not attested not anchored not stored refs pending

Revision of Solar Spicule Classification

J. T. Su, J. X. Wang, K. Shibata, T. Matsumoto, X. J. Mao, Y. Liu, Y. Z. Zhang

arxiv:1202.4518 v1 · 2012-02-21 · 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{FARSA3KAMMIZSY5VZHVCDR7ACT}

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	2026-05-18T03:57:52.826784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2823206d4063119963b5c9ea21c7e014c711977ce9fed7a4168d8f938cc2169e

Aliases

arxiv: 1202.4518 · arxiv_version: 1202.4518v1 · doi: 10.48550/arxiv.1202.4518 · pith_short_12: FARSA3KAMMIZ · pith_short_16: FARSA3KAMMIZSY5V · pith_short_8: FARSA3KA

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/FARSA3KAMMIZSY5VZHVCDR7ACT \
  | 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: 2823206d4063119963b5c9ea21c7e014c711977ce9fed7a4168d8f938cc2169e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1f1e086fb13c97ae69a0de23df7c8d161d65ea965a4c9276b6de4468f1e1ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-21T03:10:33Z",
    "title_canon_sha256": "4dc9f7e9234160dcf3624cdb9380acbf59f915733b098020a90aaf18df1dd38d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4518",
    "kind": "arxiv",
    "version": 1
  }
}