Pith Number

pith:BM4U35BW

pith:2013:BM4U35BWBODQ6UXUFWLRR6DWMR

not attested not anchored not stored refs pending

Improved search of PCA databases for spectro-polarimetric inversion

A. Asensio Ramos, A. Lopez Ariste, B. W. Lites, R. Casini

arxiv:1307.0061 v1 · 2013-06-29 · astro-ph.IM · 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{BM4U35BWBODQ6UXUFWLRR6DWMR}

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	2026-05-18T01:49:06.307070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b394df4360b870f52f42d9718f87664404ec1e490524df2bc002b86728b0903

Aliases

arxiv: 1307.0061 · arxiv_version: 1307.0061v1 · doi: 10.48550/arxiv.1307.0061 · pith_short_12: BM4U35BWBODQ · pith_short_16: BM4U35BWBODQ6UXU · pith_short_8: BM4U35BW

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/BM4U35BWBODQ6UXUFWLRR6DWMR \
  | 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: 0b394df4360b870f52f42d9718f87664404ec1e490524df2bc002b86728b0903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb7009c4299b03083cab6f75b71cd4d0f622edeb8f613c68f64d055d6ee376f7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-06-29T02:39:33Z",
    "title_canon_sha256": "2047f2f70c2526caaff1eba674295c239d0bfaac6ee481c3ac68af2da36d9436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0061",
    "kind": "arxiv",
    "version": 1
  }
}