Pith Number

pith:QX4FYYOT

pith:2015:QX4FYYOTEYHVOH4CATOI3SHTCK

not attested not anchored not stored refs pending

Light Bridge in a Developing Active Region. I. Observation of Light Bridge and its Dynamic Activity Phenomena

Mark C. M. Cheung, Shin Toriumi, Yukio Katsukawa

arxiv:1509.00183 v1 · 2015-09-01 · 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{QX4FYYOTEYHVOH4CATOI3SHTCK}

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	2026-05-18T01:30:57.614976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85f85c61d3260f571f8204dc8dc8f31281ca8759871a6c4e2e0406d09ba97e21

Aliases

arxiv: 1509.00183 · arxiv_version: 1509.00183v1 · doi: 10.48550/arxiv.1509.00183 · pith_short_12: QX4FYYOTEYHV · pith_short_16: QX4FYYOTEYHVOH4C · pith_short_8: QX4FYYOT

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/QX4FYYOTEYHVOH4CATOI3SHTCK \
  | 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: 85f85c61d3260f571f8204dc8dc8f31281ca8759871a6c4e2e0406d09ba97e21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cac4304dfa69a8bb033766b22399b58a5674fe19d881e5586d27bab78e3c1372",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-01T09:10:11Z",
    "title_canon_sha256": "fd57538247beb1ddefe2ca32956c21a1ad8b8eed8c75d56fcc34bc8b2a7be88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00183",
    "kind": "arxiv",
    "version": 1
  }
}