Pith Number

pith:4WI4AR77

pith:2009:4WI4AR77N34LWCK4PQB5BLBBV7

not attested not anchored not stored refs pending

Automatic Detection of Limb Prominences in 304 A EUV Images

(2) Jeremiah Horrocks Institute for Astrophysics, (3) Department of Electronic, Astronomy, Electrical Engineering, England, Nicolas Labrosse (1), Scotland, Scotland), Silvia Dalla (2), Steve Marshall (3) ((1) Department of Physics, Supercomputing, University of Central Lancashire, University of Glasgow, University of Strathclyde

arxiv:0912.1099 v1 · 2009-12-06 · astro-ph.SR · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WI4AR77N34LWCK4PQB5BLBBV7}

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	2026-05-18T04:22:10.328217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e591c047ff6ef8bb095c7c03d0ac21aff163cca2466788678351090a3bd5092d

Aliases

arxiv: 0912.1099 · arxiv_version: 0912.1099v1 · doi: 10.48550/arxiv.0912.1099 · pith_short_12: 4WI4AR77N34L · pith_short_16: 4WI4AR77N34LWCK4 · pith_short_8: 4WI4AR77

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/4WI4AR77N34LWCK4PQB5BLBBV7 \
  | 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: e591c047ff6ef8bb095c7c03d0ac21aff163cca2466788678351090a3bd5092d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615c28938bdb6d167f694dd3513899bcf758849507aa42a013a274e8d3f9f5e7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-06T13:09:38Z",
    "title_canon_sha256": "f1af3e6039c02140cbd801bfd639e4d830f74ece99e1fd0cc7d3db3ae745ad57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1099",
    "kind": "arxiv",
    "version": 1
  }
}